Patents Represented by Attorney John R. Duncan
  • Patent number: 5521694
    Abstract: A laser beam profile sensor system for which is capable of accurately determining distances to both close and distant objects, particles, liquid interfaces and the like and of identifying the locations of ice layers on metal surfaces. Basically, the system includes a laser diode for generating a laser beam along a selected path, a receiver spaced from the laser diode for receiving light along a receiver axis, the laser beam and receiver axis intersecting at any desired angle from nearly 0.degree. to nearly 180.degree.. The receiver comprises a linear array of light responsive elements. An optical system is provided for directing light approaching the receiver along the receiver axis to the array. An electronic circuit processes signals from the array elements and produces a display showing the distance to any target lying along the laser beam path that reflects light along the receiver axis.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: May 28, 1996
    Assignee: Innova Laboratories, Inc.
    Inventor: Johann M. Osterwalder
  • Patent number: 5513656
    Abstract: An intraoral semi-custom device for the prevention of chronic tension and common migraine headaches and temporomandibular disorders that are caused by chronic clenching of the posterior mandibular and maxillary teeth by the temporalis muscle. The semi-custom discluder is a small intraoral device which is obtained and modified by an individual wearer. The device includes a trough, curved to correspond to the curvature of the maxillary incisors, from which distally extends a dome shape. The trough is retained by a resilient material, usually silicone, which is placed into the trough by the wearer and then placed over the maxillary incisors by the wearer. The cured silicone acts as a gasket and retains the device around the wearer's upper incisors. Once in place and the wearer their mouth, the dome will come into contact with one or two lower incisor teeth prior to the posterior teeth coming into contact.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: May 7, 1996
    Inventor: James P. Boyd, Sr.
  • Patent number: 5512057
    Abstract: An interferential stimulation device for providing transcutaneous electrical nerve stimulation to a living body. The device applies current at two difference frequencies, each across two contact points on the body, spaced about a selected crossing point. The different frequencies produce at the crossing point a low frequency beat by the heterodyne process for specific stimulation at the crossing point. Electronic circuitry is provided to generate the desired signals and apply them through body contacting pads. Several modes for changing the stimulation smoothly, with the interference beat frequency ramped over a selected range over a selected time period provides superior results and prevents accommodation to the device. Several different ramp beat frequency ranges are provided, including a long range ramp, a relatively low frequency ramp and a relatively high frequency ramp.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: April 30, 1996
    Assignee: Medserv Group, Inc.
    Inventors: Hans W. Reiss, Bernard Lafreniere
  • Patent number: 5509256
    Abstract: An apparatus for packaging fibrous material in uniform, high density, self supporting, packages. Fibrous materials, such as alfalfa hay, grasses, etc. in the form of bales or loose material, are received. The material is moved through a cutting device, if needed, to form uniform sized portions, the material is formed into a level stream on a conveyor, measured into selected quantities and compressed to form very dense, self supporting packages. Preferably, the packages are inserted into plastic film enclosures for handling and shipping. This material is much more convenient and economical to ship and store than the much larger equivalent weight of loose, uncompacted material. Preferred mechanisms for stripping bands from bales, cutting and milling the received material to a desired size distribution and for weighing and compressing the material are also disclosed.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: April 23, 1996
    Inventor: Ernest F. Groth
  • Patent number: 5506072
    Abstract: A reversible high energy capacity battery and method of making that battery. A cathode is formed by packing a mixture of from about 10 to 90 weight percent finely divided sulfur and from about 90 to 10 weight percent finely divided graphite about an electrically conductive electrode, preferably in a porous enclosure. This cathode and a reactive metal anode are placed in a case of suitable configuration which is non-reactive with other components. An electrolyte is prepared by dissolving a metal solute and an ionic sulfide solute in a polar solvent, such as water. Buffering agents, conditioners and complexing agents may be added to the electrolyte to improve battery life and performance.
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: April 9, 1996
    Assignee: Eric B. Griffen
    Inventors: Eric B. Griffin, Jack V. Edling
  • Patent number: 5501468
    Abstract: A slammer for use in the game generally called Milk Caps or Pogs, originally played with milk bottle caps. The slammer is basically a disk shaped member having at least one continuous, unapertured, metal disk. The disk or disks are encapsulated in a synthetic resin housing. A first cylindrical housing portion is formed around the metal disk or disks by injection molding of a tough synthetic resin, with a disk surface at one face of the housing. A second housing portion is formed by injection molding of a second synthetic resin over the exposed disk assembly surface. The second resin preferably is softer than the first resin and bears finger tip shaped depressions to provide an optimum gripping surface for holding and throwing the slammer during game play.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: March 26, 1996
    Assignee: B and P Plastics
    Inventor: Bruce Browne
  • Patent number: 5501191
    Abstract: An intake and exhaust system for use with internal combustion engines that uses two intake valves and one exhaust valve for each engine cylinder. The three valves are preferably round and spaced around the cylinder centerline in the cylinder head. The two intake valves may be spaced closer to the exhaust valve than to each other. The two intake valves may, alternatively, be spaced closer to each other than to the exhaust valve and two spark plugs may be provided, each lying between an intake valve and the exhaust valve. For best results, the two intake valves have substantially equal diameters, with the diameter of the exhaust valve having a ratio to the diameter of an intake valve of from about 1:1 to about 1:1.2. The head has three substantially hemispheric depressions each housing one of said valves. Squish areas are preferably provided between each pair of adjacent valves around the combustion chamber periphery.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: March 26, 1996
    Inventor: James J. Feuling
  • Patent number: 5494589
    Abstract: A generally columnar chamber for uniformly mixing a gas, such as ozone, into a liquid, such as water. The mixing chamber is assembled from a series of round tray sections each having an outer and an inner helical conduit sections and a central vertical tube section. The trays are stacked and secured together to form a continuous outer helix, inner helix and central column. A port at the bottom of the column directs liquid into the outer helical conduit spiraling up to the top of the column where a crossover port directs the liquid into the inner helical conduit downwardly to a cylindrical sump. The outlet of the inner helix into the sump is angled so as to create a vortex in the sump, forcing heavy particles outwardly to the sump wall. Heavy particles are allowed to migrate down the wall to a collection region at the bottom of the sump for later removal.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: February 27, 1996
    Inventors: Jack F. Moorehead, Michael Maung, Gabor L. Sonyey
  • Patent number: 5489066
    Abstract: A system for thoroughly spraying buildings with a pesticide. A truck carries a tank of liquid pesticide, a hose on a reel and a pump for pumping pesticide into the hose. A cart including a tube having a first end for connection to the hose and a second end carrying one or more spray heads is placed at the far end of a building with the hose extending the length of the building and out a door to the truck. The tube is mounted on at least two wheels, with a sled member supporting the end of the tube adjacent to the hose connection. The spray heads produce a pattern in approximately a vertical plane perpendicular to the length of the tube and hose. As the hose is reeled up, the cart is pulled across the floor of the building, with the fan-like spray pattern fully treating the building interior.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: February 6, 1996
    Inventor: Michael J. Oldham
  • Patent number: 5486009
    Abstract: A slammer for use in the game generally called milk caps or pogs, originally played with milk bottle caps. The slammer is basically a disk shaped member having at least one metal disk, which preferably has a central aperture. The disk or disks are encapsulated in a synthetic resin housing. A first cylindrical housing portion is formed around the metal disk or disks by injection molding of a tough synthetic resin, with a disk surface at one face of the housing. A second housing portion is formed by injection molding of a second synthetic resin over the exposed disk assembly surface. The second resin is softer than the first resin and preferably bears finger tip shaped depressions to provide an optimum gripping surface for holding and throwing the slammer during game play. In a preferred embodiment, a plurality of thin, apertured metal disks, generally 2 to 4, are stacked and a resin plug is formed within the aligned apertures to hold the disks together.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: January 23, 1996
    Assignee: B and P Plastics
    Inventor: Bruce Browne
  • Patent number: 5479144
    Abstract: A method and apparatus for correcting harmonics (multipoles) in high energy particle accelerators using superconducting magnets using corrector rods adjacent to accelerator magnets. In such accelerators, superconducting coils are positioned around a non-magnetic beam tube with the magnetic coils designed to guide particles, such as protons, along the tube. Magnetic field non-uniformites in the form of multipoles (harmonics) will disrupt the beam guidance, causing particles to hit the tube walls and be lost, reducing accelerator efficiency. The negative effects of multipoles (harmonics) in such accelerators can be reduced or eliminated by positioning a selected number of pairs of carefully sized and dimensioned rods of magnetic material such as nickel or iron along the exterior of the beam tube or enclosing helium vessel near the magnet ends. The rods are equally spaced and lie parallel to the beam tube axis.
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: December 26, 1995
    Assignee: Martin Marietta Corporation
    Inventor: Husam Gurol
  • Patent number: 5471966
    Abstract: A combination intake air filter for an internal combustion engine and oil collection system for oil in crankcase breather fumes. An enclosed canister having a tubular side wall and two end walls houses a filter element, typically hollow frustum-shaped. A plurality of entrance openings around the periphery of one end wall admit intake air into the canister on one side of the filter element while a central exit opening in the opposite end wall directs the air to the engine after passing through the filter. The entrance openings are sized to create a predetermined pressure drop across the entrance. An inner wall spaced from the sidewall forms and annular space therebetween. An inlet at the top admits breather fumes into the annulus, with a barrier wall between the inner wall and sidewall forces the fumes to travel around the canister through the annulus to an exit connecting the annulus to the canister interior.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: December 5, 1995
    Inventor: James J. Feuling
  • Patent number: 5472210
    Abstract: A bingo playing aid for use in playing bingo games involving an unusual game pattern and a method of playing bingo using that playing aid. A stencil has a linear array of at least two bingo card patterns corresponding to the spacing of bingo patterns on a playing sheet in either rows or columns. Each of the card patterns on the stencil has perforations surrounding each number location, with the outermost row in each pattern in the direction of the linear array preferably having greater lengths. Selected perforated areas are removed to leave a pattern of openings corresponding to the game pattern to be played. The stencil is placed over the playing sheet and each number called that appears in a stencil opening is marked. When all numbers showing on a card have been marked, the player wins. Preferably, a thin layer of pressure sensitive adhesive is placed on the playing sheet or the back of the stencil between card patterns to hold the stencil in place when placed on the playing sheet.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: December 5, 1995
    Inventor: Anthony Fioravanti
  • Patent number: 5469627
    Abstract: An apparatus for fitting golf club length and head-to-shaft angle to an individual person. The fitting club shaft is in two telescoping portions. A conventional grip is provided at the end of the first portion and the end of the second portion is pivotally connected to a conventional club head. A generally "L"shaped electrically insulating panel has one leg extending into the second shaft portion and the other leg extending into a cavity in the head. A first series of longitudinally spaced electrical contacts on the first end are adapted to be contacted by a connection contact on the movable first shaft portion to send an electrical signal indicating club length. A second series of spaced electrical contacts are radially arranged on the second leg about the shaft pivot point. The second series of contacts is adapted to be contacted by a second connection contact to send an electrical signal indicating head-to-shaft angle. A person grasps the fitting club grip and assumes a normal golf stance.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: November 28, 1995
    Assignee: Plop Golf Company
    Inventors: Bradley J. Denny, Richard H. Hannon
  • Patent number: 5470465
    Abstract: A vortex system for separating particles of varied size and density from a liquid stream. A particle bearing liquid is introduced tangentially into one end of an elongated cylindrical chamber to form a rotating liquid vortex therein. An impeller at one end of the chamber reinforces the vortex flow. Either a series of tangentially oriented jets introducing a gas or a gas saturated liquid through the chamber wall or a rotating central chamber section further increases the vortex rotational flow. The vortex produces a heavy particle rich outer region, a gas and light particle rich axial region and a cleaned liquid annular region therebetween. The cleaned liquid flows out of the chamber through an outlet at the chamber end opposite end at which the particle bearing liquid is introduced. The heavy particles in the outer region and the gas and light particles in the axial region are each removed through an outlet. A variety of component orientations and auxiliary devices may be used to optimize system operation.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: November 28, 1995
    Assignee: Automatic Control Technology Inc.
    Inventors: Jack Moorehead, Michael Maung
  • Patent number: 5456359
    Abstract: A holder for supporting magnetic cylindrical tools of varying diameter such as wrench sockets, drill bits, etc. in order. A member having a series of recesses having shapes corresponding to the tools to be held is backed by an elongated magnet. In one embodiment, the member is a non-magnetic material and the magnet is made up of a plurality of transverse magnetic regions, having alternately north and south poles on the surface toward the recesses, with the pole lines between adjacent north and south regions aligned with the centerline of the recesses. Preferably, a narrow non-magnetized region separates each pair of adjacent north and south pole regions. In a second embodiment, the member is formed from a magnetic a U-shaped sheet with the recesses formed in opposed sidewalls. The magnet is held between the sidewalls below the recesses and has two longitudinally arranged north and south poses at the surface toward the recesses, with the pole line running longitudinally along the center of the magnet.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: October 10, 1995
    Inventor: Billy L. Horn
  • Patent number: D364435
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: November 21, 1995
    Assignee: Plop Golf Company
    Inventor: Donald C. Wood
  • Patent number: D364908
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: December 5, 1995
    Assignee: Plop Golf Company
    Inventor: Donald C. Wood
  • Patent number: D366683
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: January 30, 1996
    Assignee: Plop Golf Company
    Inventor: Donald C. Wood
  • Patent number: D370843
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: June 18, 1996
    Inventor: Alex A. Lluch