Electrocuting Patents (Class 43/112)
  • Patent number: 5241778
    Abstract: A method for attracting and eradicating bloodsucking insects by generating acoustic waves that simulate a human heartbeat to attract the insects to an attractant zone. An acoustic control mechanism is powered by an electrical power source and generates control signals to an acoustic output unit, such as an acoustic speaker. A sensor unit may be provided for detecting the presence of insects within the attractant zone, and a trigger mechanism used for activating an eradication mechanism in response to a signal from the sensor unit.
    Type: Grant
    Filed: July 22, 1992
    Date of Patent: September 7, 1993
    Inventor: Ron D. Price
  • Patent number: 5241779
    Abstract: An apparatus for collecting and killing insects which includes a heat source for attracting the insects to a housing, electric conductor means, for connection to a power source, to stun or kill the insects, means for collecting the insects after they are stunned or killed, and means for vacuuming the insects into a collection vessel so that they can be transported away from the apparatus and disposed. The collection vessel may be filled with oil to assure suffocation of the insects. The subject invention also can be employed in combination with conventional appliances having a heat producing element so that insect infestations attracted to the appliance can be easily disposed of by employment of the subject invention.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: September 7, 1993
    Inventor: Dug G. Lee
  • Patent number: 5205064
    Abstract: A device for attracting and destroying insect pests utilizes a pressurized canister charged with either carbon dioxide or octenol or a combination thereof, or with insect pheromones, in combination with infrared and/or ultraviolet lights to attract a variety of insects, including mosquitoes and biting flies which prey on humans. The pressurized canister and fluorescent light source are surrounded by an electrified grid which electrocutes the insects when they try to reach the source of the attractant. A motorized cam mechanism is utilized for periodically discharging the contents of the pressurized canister.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: April 27, 1993
    Assignee: James Nolen & Company
    Inventor: James A. Nolen
  • Patent number: 5107620
    Abstract: An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink comprises a cloth formed of electrically insulated material which has at least one pair of parallel electrically conductive strips secured to the edge or border of the cloth to completely encircle the cloth and which are connected to a low voltage DC battery also secured to the cloth. The strips of electrical conductive material are spaced apart sufficiently to normally prevent completion of a circuit across the strips and for completion of a circuit across said strips through an insert's body as the insect attempts to traverse the strips when crawling acorss the edge of the cloth. The current passing through the insect's body is sufficient to produce a sensation which will discourage further travel across the edge of the cloth.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: April 28, 1992
    Inventor: Richard E. Mahan
  • Patent number: 5095646
    Abstract: A portable electrical device for keeping birds from a specific place. The device comprises a pair of parallel wires entrained on a swinging block. The wires carry a voltage potentially lethal to birds and bracket a trough formed in the block and adapted to a hold a bait.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: March 17, 1992
    Inventor: Kenneth C. Bunkers
  • Patent number: 5020270
    Abstract: An apparatus for killing unwanted insects such as mosquito includes a lamp assembly powered to generate light attractive to insects, an electric screen surround the lamp assembly and applied thereto with a voltage sufficient to kill insects in contact, a grill surrounding the electric screen for preventing persons or pets from access of the electric screen and a fan assembly arranged to force insects flying around the grill inwardly to contact the electric screen and thus to be killed.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: June 4, 1991
    Inventor: Hsi-Chuan Lo
  • Patent number: 5007196
    Abstract: A non-toxic, non-chemical device and system for repelling crawling insects from a structure such as a building and training the insects to go elsewhere includes closely-spaced elongated conductors mounted on an insulating base and having a potential difference applied thereto for providing a insect-stunning short-circuit current of about fifteen microamps. When insects bridge the conductors, they receive a current as a function of their internal resistance. The conductors are mounted via the base along the foundation and about posts and other structures which connect into the building. Preferably, the conductors are also slippery and reflective to assist in repelling and training the insects without bridging the conductors.
    Type: Grant
    Filed: February 8, 1990
    Date of Patent: April 16, 1991
    Inventors: Anne L. Saunders, John G. Fields
  • Patent number: 5004446
    Abstract: Substances are blown out along the natural wind toward the injurious bees, or group of other insects, for attracting them to an electric grid where a low voltage causes them to deposit venom on the bare wires of the grid and collected on receiving plates. Then the voltage is increased electrocuting them. The venom is removed from the receiving plates and the dead bodies of the bees or other insects are removed from a collecting bag. The device can guarantee the safety of the operating personnel and consists of two parts: an operating compartment and a collection unit. The device can be moved by its own or external effort in order to safely pursue and be close to the injurious bee colony and to operate continuously for a long period. With this device, the propagation or spread of the injurious bees can be controlled and venom be collected safely.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: April 2, 1991
    Inventor: Li Guong-Hong
  • Patent number: 4962611
    Abstract: A portable insect electrocutor trap is provided wherein an electrified alternately polarized grid assembly detachably connects to a liquid fuel lantern. The grid assembly includes a top and bottom ring spaced apart and parallel to each other. Bars connected to the rings extend downward from the top ring and upward from the bottom ring in a spaced arrangement and are insulated from each other. A grid bracket operatively engages the rings and bars in a fixed position and attaches to the lantern's frame bottom. The grid bracket includes braces which function to support a globe surrounding the light emitting region of the lantern and connects the grid to the lantern in a spaced relationship. A base is provided which attaches to the lantern and into which is housed a power supply for electrification of the grid. The power supply steps up the voltage from a direct current source to a high enough voltage to stun or kill an insect when the insect passes near the bars.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: October 16, 1990
    Inventor: Lance L. Millard
  • Patent number: 4959923
    Abstract: An electronic trap for flying insects. Insects such as flies are attracted to the trap by a UV light source and then alight on a conductive grid with carefully spaced alternative areas of opposite potential. A pulsed cycle of electricity stuns the insects, which then dive down to a trap at the bottom of the device and, being entrapped, die.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: October 2, 1990
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Salvatore F. Aiello, Jeffrey K. Brown, Donald F. Karasek, Edward J. Lazzeroni, Sr., Edward J. Lazzeroni, Jr., John F. Quella, Timothy E. Zollers
  • Patent number: 4951414
    Abstract: A device for electrocuting insects having an open housing accommodating a low-pressure mercury vapor discharge lamp, a ballast electrically connected to the discharge lamp, a first and, electrically separated therefrom, a second assembly of electrically conducting wires surrounding the discharge lamp and a high-voltage generator whose output terminals are connected to a respective assembly of conducting wires. A lamp cap is secured to the housing which lamp cap has contacts which are connected to the input terminals of the high-voltage generator, to the discharge lamp and the ballast.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: August 28, 1990
    Assignee: U.S. Philips Corporation
    Inventor: Jan A. C. Mewissen
  • Patent number: 4949500
    Abstract: An insect or vermin trap having a main housing and high voltage generating means within the housing. The generating means generates a voltage of sufficient magnitude for exterminating insects, vermin or the like entering the trap. One or more entries into the main housing when the electrodes are in that housing or into the separate housing if the electrodes are in a separate housing the the entries enabling insects or vermin to enter the trap. Two spaced electrodes either within the main housing or separate housing supplied with the voltage generated by the generating means for exterminating insects or the like which bridge the space between the electrodes. Control means is present for providing controlled alternation between an on period for which the electrodes are supplied with the high voltage and an off period for which the electrodes are not supplied with the voltage.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: August 21, 1990
    Assignees: Lawrence V. M. Stone, Robert C. J. Van Mourik
    Inventor: Gregory Jefferys
  • Patent number: 4914854
    Abstract: A device for catching roaches and other insects utilizing an electric shock to catch or kill such insects is disclosed. An electrical integrated circuit utilizing automatic on and off switching is used to enable roaches and insects to enter the device and then periodically shock them and kill them. The design provides safety, efficiency and lower cost without environmental pollution thereby permitting use around small children and pets. The device includes a cover which admits roaches and insects into the device and which includes openings that are sufficiently small to prevent entry of a child's hand or a pet's paws. When the cover is removed, a microswitch automatically cuts the electrical circuit off. The device includes a housing in which is located a conical downwardly and inwardly sloping surface on which is carried a helical pair of conductors connected to the electrical circuit.
    Type: Grant
    Filed: July 12, 1988
    Date of Patent: April 10, 1990
    Inventors: Peng-Wei Zhou, Henry Wong
  • Patent number: 4908979
    Abstract: An insect control assembly is retrofit onto existing streetlights and controls insects by attracting them, and then killing them without the use of pesticides or the like that may be harmful to humans. The assembly disperses a sex attractant and a third-generation pesticide, and also includes an electrified cover that is activated when the streetlight is active. A black light is also used to attract the insects.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: March 20, 1990
    Inventor: Sherman E. Hostetter
  • Patent number: 4908978
    Abstract: A battery-powered fan in a portable device produces a stream of air in a housing to draw insects into contact with two electrodes. The device includes a battery-powered voltage generator to produce a sufficiently high difference of potential across the electrodes to destroy insects connecting both electrodes at the same time. The direction of rotation of the fan rotor may be reversed to blow the remains of the insects out of the housing.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: March 20, 1990
    Inventor: Michael E. Zacharias
  • Patent number: 4907365
    Abstract: An electrocuting grid for an electronic insect trap, wherein first and second circular electrically conductive carrier members are arranged concentrically in an axially spaced relationship to define a cylindrical zone therebetween. First and second electrodes respectively extend laterally from the first and second carrier members into the cylindrical zone. The first and second electrodes are arranged circumferentially in a mutually spaced alternating sequence, with their ends spaced respectively from the second and first carrier members. Dielectric strand material interconnects the first and second electrodes. The invention also encompasses a method for fabricating the electrocuting grid which includes a plurality of steps performed on a strip of electrically conductive sheet material.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: March 13, 1990
    Assignee: Armatron International, Inc.
    Inventor: Anthony Conigliaro, Jr.
  • Patent number: 4891904
    Abstract: A heating device for electric mosquito killing apparatus is constructed by fixing a heating assembly comprising upper and lowed insulating members and a heating element arranged to be fed with electric current on the under face of a heat receiving plate having a plane for loading a mosquito killing mat thereon for evaporation by electric heating, each central part of the constituent members being provided with a hole for insertion of a sucking wick of a size allowing formation of a gap for evaporation of liquid mosquitocide around the wick.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: January 9, 1990
    Assignee: King Chemical Kabushikigaisha
    Inventor: Yoshikatsu Tabita
  • Patent number: 4873786
    Abstract: This light device is designed to attract and kill insects by high voltage. Primarily, it consists of a large bulb shaped housing received in a common electric socket, and a smaller bulb is received in one of a pair of compartments for insect attraction. A second compartment of the pair includes a pair of extending electrodes for high voltage discharge killing of the insects, and a step-up transformer is electrically connected to the electrodes and is mounted in a neck portion of the large bulb.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: October 17, 1989
    Inventor: Nicholas N. Franco
  • Patent number: 4869015
    Abstract: The present invention relates to an electric shock insecticide apparatus wherein, on a wall plane (1a) on a periphery of an opening (3) of a storing space (2), at least a pair of electrodes (5a), (5b) to which a voltage is to be applied are disposed, keeping an insulation space (W), and between said storing space (2) and said electrodes (5b), an obstructer which is projected from a plane of said electrodes is provided, and is to certainly prevent the invasion of cockroaches trying to invade the storing space by giving electric shock to the cockroaches.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: September 26, 1989
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Ryohei Murakami, Jiro Oka
  • Patent number: 4852296
    Abstract: A device to attract flying insects and cause their demise by electrocution provides two spaced cylindrical grids that are oppositely charged electrically in such fashion and so spaced that an insect coming in contact therewith or passing therebetween causes an electric discharge between the grids that kills the insect. The device provides a light to aid in attracting insects primarily during hours of darkness and an openable container for olfactory attractants such as food stuffs and pheromones. The attractant container, if opened during use of the device, deactivates the electrical circuitry to avoid operator injury.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: August 1, 1989
    Inventors: Ernest B. Swanson, It S. Chane
  • Patent number: 4839984
    Abstract: A non-toxic, non-chemical device and system for repelling crawling insects from a structure such as a building and training the insects to go elsewhere includes closely-spaced elongated conductors mounted on an insulating base and having a potential difference applied thereto for providing a insect-stunning short-circuit current of about fifteen microamps. When insects bridge the conductors, they receive a current as a function of their internal resistance. The conductors are mounted via the base along the foundation and about posts and other structures which connect into the building. Preferably, the conductors are also slippery and reflective to assist in repelling and training the insects without bridging the conductors.
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: June 20, 1989
    Inventors: Anne L. Saunders, John G. Fields
  • Patent number: 4807390
    Abstract: An insect electrocution apparatus and method of operation utilizing a series connected, dual coil primary of a ballast/step-up transformer to provide increased impedance only during the starting of the insect attracting fluorescent tube. The fluorescent tube is connected between the two primary coils with the fluorescent tube starter and one of the primary coils connected in series with the fluorescent tube filaments. Upon starting, both coils are energized and provide the desired amount of impedance. Once the fluorescent tube ignites, the starter and the second primary coil are operationally removed from the circuit leaving only the first primary coil to provide ballast for the fluorescent tube.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: February 28, 1989
    Assignee: Armatron Internation, Inc.
    Inventor: David P. Stevens
  • Patent number: 4785573
    Abstract: A portable camping lantern includes an electrified grid including two half sections embracing the light unit and having indexing structure cooperating with a valve control on the lantern which functions to limit how the grid is placed on the lantern such that a safety interconnect extending from the grid to the battery below the capped refuel opening extends thereacross preventing the refueling of the lantern without disconnecting the power supply from the grid. Insect-attracting odor is sprayed across the grid upwardly from a manifold extending around the lantern and is carried by a carbon dioxide propellant. An insect-attracting sound-emitting unit is positioned closely adjacent to the grid for attracting insects to the grid. An appropriately colored glass enclosure extends around the lantern light to attract insects to the grid.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: November 22, 1988
    Inventor: Lance L. Millard
  • Patent number: 4756116
    Abstract: A pair of strips formed of dissimilar materials, such as copper and zinc for example, are disposed along a surface to define a zone which inhibits the entry of snails, slugs or the like. The dissimilar materials are ones which exhibit different electrode potentials or voltages when in contact with an electrolyte. It is believed that the exudate or slime present on the skin of a snail or the like has electrolytic characteristics and electrochemical reactions occur when the body of the snail or the like spans the dissimilar strips which reactions are sensed by the snail and discourage further progress. The barrier may be preformed as a flexible, adhesive coated ribbon or tape with the two electrically conductive strips extending along opposite edge regions of one surface of the tape.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: July 12, 1988
    Inventor: John W. Cutter
  • Patent number: 4754570
    Abstract: The invention comprises an electric bug killing apparatus for attachment to an outdoor lamp having a globe surrounding an illuminating element and having a fixture with projecting portions. The apparatus when attached to the lamp converts the lamp to an electric bug killing device, with the lamp acting to attract the bugs to the apparatus. The apparatus has an inner and outer screen spaced from one another in insulated relation. The inner screen has mounting means for mounting the screens to the exterior of the globe that surrounds the illuminating element. Clamping means are mounted to one of the screens along opposite edges. The clamps are attached to the projecting portions of the fixture when the screens are mounted to the globe for fixing the apparatus to the lamp.
    Type: Grant
    Filed: October 29, 1985
    Date of Patent: July 5, 1988
    Inventor: Daniel O. Bakke
  • Patent number: 4747229
    Abstract: A portable, battery powered elongate strip is provided for deployment at the boundary of an area to be protected from crawling slugs and pests. The strip is formed by an elongate base of dielectric insulating material for placement on the ground or other boundary surface. Electrical conductors are mounted in parallel spaced apart relationship on the base in the elongate direction. The upper surfaces of the conductors are exposed for contacting a crawling slug or pest passing over the strip. Odd number conductors are electrically connected together through a first coupling and even number conductors are electrically connected together through a second coupling to provide parallel open circuits which are closed by crawling slugs or pests passing over the strip. The end of the strip is secured to a reel hub which rotates within a portable reel and reel housing for storage of the strip in rolled up position in multiple turns around the reel hub inside the reel housing.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: May 31, 1988
    Inventor: Carl F. Chambers
  • Patent number: 4709502
    Abstract: An electric roach trap comprising a housing with three spaced apart conductors composed of a water pan conductor, a floor and wall conductor and a bait holder conductor. These conductors are connected to an outside power source so that when a roach enters the trap and contacts simultaneously two of these spaced apart conductors, the roach will be electrocuted. The electric roach trap of this invention is safe to handle, easy to clean, has shock proof protection for humans and pets, and has special features such as a window to see into the trap to see if it contains dead roaches and should be cleaned and an indicator light to tell when the trap has power and is operational when it is located in a dark area. An additional feature is that the trap is shock proof in that electrical current to the trap is terminated when the trap is opened by removing the top housing from the bottom housing.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: December 1, 1987
    Inventor: Albert Bierman
  • Patent number: 4696126
    Abstract: A method of trapping common houseflies and many other flying insects is disclosed. The method utilizes a device comprising an upright array of parallel exposed conductors dimensioned and spaced such that alighting houseflies virtually have to alight in contact with two such conductors, means to periodically apply opposing pulsating charges to adjacent pairs of such conductors which causes such houseflies to dive downwardly toward an adhesive-covered sheet or other means to receive and hold insects diving from the array. The charges are about 25 to 40 volts peak and have a frequency of about 60 to 600 Hz. Applying such charges as a square wave is very hightly preferred.
    Type: Grant
    Filed: May 1, 1986
    Date of Patent: September 29, 1987
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Roger H. Grothaus, Donald W. Hildebrandt
  • Patent number: 4689915
    Abstract: An improved trap for common houseflies and many other flying insects. The device has an upright array of parallel exposed conductors dimensioned and spaced such that alighting houseflies virtually have to alight in contact with two such conductors, means to periodically apply opposing pulsating charges to adjacent pairs of such conductors which causes such houseflies to dive downwardly toward an adhesive-covered sheet or other means to receive and hold insects diving from the array. The charges are about 25 to 40 volts peak and have a frequency of about 60 to 600 Hz. Applying such charges as a square wave is very highly preferred.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: September 1, 1987
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Roger H. Grothaus, Donald W. Hildebrandt
  • Patent number: 4667436
    Abstract: An apparatus powered by an electric alternating current source comprising an insulator having the upper end of a spike mounted therein and two wires wrapped about the insulator forming a double helical coil. The two wires have a voltage of about 1000-1500 volts placed across them to electrocute fire ants upon contact. The spike is inserted into the ground thus supporting the apparatus in an upright position.
    Type: Grant
    Filed: August 2, 1985
    Date of Patent: May 26, 1987
    Assignee: Yaard-Vark Corporation
    Inventor: James A. Benson
  • Patent number: 4642935
    Abstract: A plumbing trap in the form of a fitting for installation in a vertically disposed waste pipe, characterized by axially spaced and aligned upper and lower tube sections with an annular opening therebetween, said opening being in communication with a chamber surrounding the upper tube section, and in which there is killing means alternately in the form of a pool of poison or an electrically charged conductor, said opening and chamber providing space in excess of the jumping and bridging capability of the roaches, whereby they are forced to pass over the killing means.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: February 17, 1987
    Inventor: Mayer Fierer
  • Patent number: 4635393
    Abstract: The disclosure relates to a device for killing ants and other insects by electrocution. The device includes an elongated shaft or probe for insertion into the anthill and an adapter for connecting the device to an electrical source. A charge ring is spaced from a charge plate between which ants can pass. When ants attack the device having been inserted into the anthill, those that find themselves between the charge plate and the charge ring will short circuit the device causing the ants to be electrocuted.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: January 13, 1987
    Inventors: Harry L. Pfeffer, Sr., Harry L. Pfeffer, Jr.
  • Patent number: 4603505
    Abstract: A portable electronic insect controller is provided wherein a electrified alternately polarized grid surrounds a light emitting region of a camping lantern. The grid includes a bottom and top ring spaced apart and substantially parallel to each other. Bars attached to the rings extend upward from the bottom ring and downward from the top ring in a spaced arrangement. A grid bracket includes grid posts which attach to the bottom ring and extend downward to engage a collar which extends around the outside of the lantern and is pulled securely against the lantern by buckle snap connectors. A base is provided onto which the lantern is secured and into which is housed a power source for electrification of the grid. The power supply steps up voltage from either a direct current source or alternating current source to a high enough voltage to arc across from one bar to the next when an insert enters the region between the bars.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: August 5, 1986
    Inventor: Lance Millard
  • Patent number: 4523404
    Abstract: An insect killing device has an electrically powered light source surrounded by an electrically conductive grid, the light source and grid being enclosed within a dielectric housing having a side wall which is closed at its upper end by an impervious top and which defines an open port at its lower end. The light source and the grid are energizable by an electric AC power source external to the housing via electric circuit components located in the housing. The side wall has an array of openings through which insects attracted by the energized light source may pass to come into contact with and be electrocuted by the energized grid. The grid is supported on a dielectric carrier and is separably connected to the electric circuit components.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: June 18, 1985
    Assignee: Armatron International, Inc.
    Inventor: Sal G. DeYoreo
  • Patent number: 4490937
    Abstract: An insect electrocution device comprising a lamp and an insect electrocution assembly disposed in generally surrounding relationship with at least a portion of the lamp. In particular, an insect electrocution device comprising a lamp for attracting insects and an insect electrocution assembly disposed about the lamp, the insect electrocution assembly comprising an outer apertured plate, the area of the apertures being substantially less than the remaining area of the plate, and inner electrode apparatus spaced from the outer apertured plate. There is also disclosed a combination illumination device and insect electrocution device including a lamp having peak outputs in both the UV region for insect attraction and in the visible region for effective illumination.
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: January 1, 1985
    Assignee: AMCOR Ltd.
    Inventor: Mordechai Yavnieli
  • Patent number: 4486974
    Abstract: An insect electrocution device comprising a lamp and an insect electrocution assembly disposed in generally surrounding relationship with at least a portion of the lamp. In particular, an insect electrocution device comprising a lamp for attracting insects and an insect electrocution assembly disposed about the lamp, the insect electrocution assembly comprising an outer apertured plate, the area of the apertures being substantially less than the remaining area of the plate, and inner electrode apparatus spaced from the outer apertured plate.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: December 11, 1984
    Assignee: Amcor Ltd.
    Inventor: Mordechai Yavnieli
  • Patent number: 4471561
    Abstract: An insect exterminator having a base sheet of electrical insulating material, a source of electrical power, a first electrical contact extending along the length of the sheet, and a second electrical contact spaced from the first contact and also extending along the length of the sheet. The first and second electrical contacts are connected to the source of electrical power, so that a circuit is completed across the contacts only through an insects body as the insect attempts to traverse the contact.
    Type: Grant
    Filed: July 23, 1982
    Date of Patent: September 18, 1984
    Inventor: John A. Lapierre
  • Patent number: 4454677
    Abstract: A housing is disclosed for an insect killing assembly of the type having an elongated light source protruding downwardly from a mounting shelf. The light source is surrounded by an electrically conductive grid supported by legs depending from the lower surface of said shelf. The light source and the grid are energized by an A.C. source via circuit components including a voltage augmenting transformer carried on the top surface of the shelf. The housing includes an open-ended enclosure surrounding the insect killing assembly. The enclosure is defined by a pair of separable half-sections which are each provided with an array of holes through which insects may pass as they are attracted by the light source onto the energized grid. A removable base closes the lower end of the enclosure. A one-piece water impervious cover is detachably mounted to the upper end of the enclosure. The cover cooperates with the half sections and the mounting shelf to isolate the circuit components from external moisture.
    Type: Grant
    Filed: February 1, 1983
    Date of Patent: June 19, 1984
    Assignee: Armatron International, Inc.
    Inventor: Alan Chuang
  • Patent number: 4422015
    Abstract: A power supply for an electric insect trap having an electrocution grid and a fluorescent lamp for attracting insects to the grid employs an inverter to generate a high frequency alternating voltage. The alternating voltage is applied across the primary winding of a first transformer having a secondary winding for development of a current-limited voltage for operating the lamp. Due to large inductance, the secondary winding functions as a constant current source to the lamp, so that lamps having different voltage characteristics may be used in the same circuit. A high voltage transformer has a primary driven by the limited lamp current to produce a high voltage for the electrocution grid across its secondary winding. Current limiting is achieved, in part, by providing a selected amount of flux leakage between the primary and secondary windings of the first transformer.
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: December 20, 1983
    Inventor: Ole K. Nilssen
  • Patent number: 4387529
    Abstract: An electronic insect killer has spaced electrodes adapted to be electrically contacted by bodies of insects, said electrodes surrounding fluorescent lamps which attract the insects toward the electrodes. Interconnected with the electrodes and the fluorescent lamps is a solid state inverter which provides a high AC voltage at high frequency which is rectified to provide a high DC voltage across the electrodes, as well as lower AC voltage at high frequency for energizing the lamps without ballasting.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: June 14, 1983
    Assignee: Delta Promotions, Inc.
    Inventor: Mark D. Hedstrom
  • Patent number: 4300306
    Abstract: Apparatus for killing pests with an electrified screen. The screen has conductive weft strands woven between insulative warp strands. Insulative weft strands may be disposed between adjacent conductive weft strands. Busses are disposed in the warp having an insulative base and conductive strips on opposite sides thereof. Alternate conductive weft strands contact one of the strips and the remaining conductive weft strands contact the other strip. The screen may be mounted vertically about a field to kill insects attempting to enter. Also the screen may be employed around the home to kill pests.
    Type: Grant
    Filed: December 7, 1979
    Date of Patent: November 17, 1981
    Inventor: Richard H. Hudgin
  • Patent number: 4276712
    Abstract: Insect electrocution apparatus comprising a housing defining an outward facing direction and an inward facing direction; an inner electrode disposed within the housing; an array of composite members disposed within the housing and spaced in an outward facing direction with respect to the inner electrode, the composite members each comprising an outward facing insulative member defining a safety guard and fixed thereto an inward facing conductor, defining an outer electrode array, and means for coupling the inner electrode and the outer electrode array across a high voltage source.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: July 7, 1981
    Assignee: Amcor, Ltd.
    Inventors: Meir Zeldov, Mordechai Yavnieli
  • Patent number: 4275523
    Abstract: An apparatus for use in monitoring the numbers of a selected species of insect comprising one or more traps into which is put a synthesized pheromone to attract that particular insect. Each trap has a grille comprising a plurality of bars between which is applied a high voltage by means of a high voltage generator, so that when an insect of the selected species tries to enter the trap it touches adjacent bars and is electrocuted by the electric discharge between them. This discharge is detected by a discharge detector connected to the trap and the detector passes a signal to a transmitter which transmits it to a central receiver equipped with a discriminator for ignoring signals other than those from the transmitter and for passing the signals representing discharges to a pulse counter whereby a total of the number of insects trapped in a given time can be obtained at a central station without visiting each trap.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: June 30, 1981
    Assignee: Centro Ricerche Fiat S.p.A.
    Inventors: Mario Baima, Gian P. Tavoni
  • Patent number: 4271626
    Abstract: Insect electrocution apparatus having a first wire mesh formed of perpendicularly crossed wires spaced from a second wire mesh formed of perpendicularly crossed wires. The spacing device comprises a main body portion having a length equal to the spacing distance with a pair of bosses extending axially from the opposite ends of the main body portion. Each of the bosses defines a slot which receives a wire from a respective wire mesh, and the wire meshes are retained in place with respect to the main body portion. One of the wire meshes is mounted to a chassis plate by means of a grid support formed of insulative material. The grid support is an elongated member having a first portion for connection to the grid and a second portion for connection to the chassis plate.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: June 9, 1981
    Assignee: Dennis L. Mulee
    Inventors: Dennis L. Mulee, Arthur R. Erbach, Frank Ray
  • Patent number: 4248005
    Abstract: An electronic insect killer has spaced electrodes adapted to be electrically contacted by bodies of insects, said electrodes surrounding fluorescent lamps which attract the insects toward the electrodes. Interconnected with the electrodes and the fluorescent lamps is a solid state inverter which provides a high AC voltage at high frequency across the electrodes, as well as lower AC voltage at high frequency for energizing the lamps without ballasting.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: February 3, 1981
    Assignee: Delta Promotions, Inc.
    Inventor: Mark D. Hedstrom
  • Patent number: 4241532
    Abstract: An apparatus for improving flight safety in the vicinity of an airport by reducing the incidence of birds in the vicinity of the landing strip. Worm traps are disposed adjacent opposed marginal edges of the landing strip and extend longitudinally therealong and have an outer upper wall surface sloping downwardly and outwardly from the landing strip to the adjacent grassed area. The worm trap is located in a trench along the landing strip and a narrow strip between the worm trap and wall of the trench provides entry for the worms into the trench. The worm traps have an inner chamber for collecting the worms as they crawl there into through an opening adjacent the bottom of the worm trap. Means are provided within the chamber to electrocute the worms.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: December 30, 1980
    Inventor: Vincent S. Fancy
  • Patent number: 4226043
    Abstract: An electrical apparatus for killing insects has vertically disposed, concentrically arranged mesh electrodes interconnected by suitable switching means to a source of high voltage. The electrodes are supported at their lower ends by individual insulators establishing the lower ends of the electrodes both mutually spaced from each other as well as from the surrounding apparatus enclosure parts. These insulators are located entirely outwardly of the space between the mesh electrodes so that the region below the space between the electrodes is free of obstructions such that electrocuted insects will not be able to collect on the insulators and form an electrical short.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: October 7, 1980
    Assignee: Beatrice Foods Co.
    Inventor: Dean Peterson
  • Patent number: 4186512
    Abstract: An insect trap of the baseboard type includes a base and a detachable cover. A high-voltage electrical potential is established between first and second electrically conductive strips secured to the base, and a third electrically conductive strip is interposed between the first and second strips. A portion of the third strip is insulated from the second strip, and a fourth conductive strip is mounted upon the insulated portion of the third strip so as to be electrically connected to the second strip. The remaining portions of the third strip are engageable with and disengageable from the second strip by means of the trap cover as to alternatively short circuit, or permit the establishment of, the high-voltage electrical potential.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: February 5, 1980
    Assignee: Shock-M-All, Inc.
    Inventor: Fred W. Berg
  • Patent number: 4182069
    Abstract: An apparatus for electrically exterminating insects comprises first and second perforated electrically conductive elements supported in a mutually spaced relationship by insulators which are in turn supported on opposed top and bottom walls. A perforated side wall extends between the top and bottom walls and cooperates therewith to form a protective housing enclosing the first and second conductive elements. The top wall has an access opening therein leading to an interior chamber surrounded by the first conductive element. A carrier having at least one fluorescent light source mounted thereon is detachably mounted on the top wall with the light source protruding through the access opening into the aforesaid interior chamber. The light source and the first and second electrically conductive elements are connected to an electrical power cord by electrical components mounted on both the carrier and the top wall.
    Type: Grant
    Filed: June 28, 1977
    Date of Patent: January 8, 1980
    Assignee: Automatic Radio Mfg. Co., Inc.
    Inventor: Sal G. De Yoreo
  • Patent number: 4179839
    Abstract: An apparatus for use in monitoring the numbers of a selected species of insect comprises one or more traps into which is put a synthesized pheromone to attract that particular insect. Each trap has a grille comprising a plurality of bars between which is applied a high voltage so that when an insect of the selected species tries to enter the trap it touches adjacent bars and is electrocuted by the electric discharge between them. This discharge is detected by a discharge detector connected to the trap and the detector passes a signal to a transmitter which transmits it to a central receiver equipped with a discriminator for ignoring signals other than those from the transmitter and for passing the signals representing discharges to a pulse counter whereby a total of the number of insects trapped in a given time can be obtained at a central station without visiting each trap.
    Type: Grant
    Filed: April 12, 1978
    Date of Patent: December 25, 1979
    Assignee: Fiat Societa per Azioni
    Inventors: Gianfranco Salotti, Elvio Ferrero, Franco Grisotto