Patents Represented by Attorney Dowell & Dowell, P.C.

Find this attorney in the Justia Lawyer Directory

  • Method and device for decontamination of ground
    Patent number: 6267534
    Abstract: A method and a device for decontaminating soil on the spot from harmful substances. In the soil one or several horizontally drilled holes (10) are arranged debouching into the ground surface. In the hole a chord (16) is inserted in form of a hose or a number of interconnected sockets, in which reactive sorbents are stored. The chord (16) remains in the ground during a sufficiently long period for achieving a desired decontamination of the soil.
    Type: Grant
    Filed: November 22, 1999
    Date of Patent: July 31, 2001
    Assignee: Globe Water AB
    Inventor: Pontus Schwalbe
  • Security tag for use in preventing theft of an article
    Patent number: 6268795
    Abstract: A security device includes a security tag and a monitoring circuit for monitoring an electrical characteristic of a conductive track formed on a flexible substrate of the tag. The substrate includes an adhesive backing for bonding the substrate to a surface, the elasticity of the substrate and the bonding strength of the adhesive being selected such that, with the substrate adhesively bonded to the surface, the force required to stretch the substrate is less than the adhesive bonding force holding the substrate against the surface.
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: July 31, 2001
    Assignee: Advanced Technology Communications Limited
    Inventor: George Hadfield
  • Hitch assembly for activating a towed vehicle's brakes
    Patent number: 6264228
    Abstract: A hitch ball assembly which includes a housing adapted to be movably mounted within a conventional hitch receiver associated with a towing vehicle wherein a shock absorber is mounted within the housing and which is connected to a pivotable lever having a free end extending outwardly of the housing. A brake cable is connected between the free end of the lever and a brake pedal of a towed vehicle such that the brake pedal is applied by the cable whenever forces are developed by the towed vehicle in the direction of the towing vehicle.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: July 24, 2001
    Assignee: Nite Shift Auto
    Inventor: Neil Westervelt
  • Shotgun cartridge and shotshell wad
    Patent number: 6260484
    Abstract: A sporting gun cartridge and wad therefor wherein such wad, generally taking the form of a shotshell wad for shotguns, for example, includes a first, forwardly oriented cylindrical portion and also a second, rearwardly oriented cylindrical portion, joining the first portion at a common partition juncture, wherein the side wall of the first portion is scored to provided a series of expandable and separable wall segments, spaced from the forward end of such first portion, whereby to afford relief from impaction of shot disposed within said first portion under firing conditions.
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: July 17, 2001
    Inventor: Chris L. Billings
  • Top head drive and mast assembly for drill rigs
    Patent number: 6257349
    Abstract: A top head rotary drive and mast assembly for drilling which is adapted to be readily mounted on a derrick of a conventional truck, crawler or other vehicle so as to be movable from a stored position adjacent the derrick to a deployed position spaced from the derrick for drilling. The mast is adapted to be pivotally connected by at least one upper support arm to the derrick of the vehicle. The deployment and retraction of the mast and the top head rotary drive relative to the derrick are accomplished utilizing either a control device for moving a holding plate which is movable along the mast and to which the top head rotary drive is mounted or by separate lifting device. The invention is also directed to a combination top head drive and mast assembly and drilling rig and method for their use.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: July 10, 2001
    Inventor: Allen Eugene Bardwell
  • High power factor electronic ballast with low lamp current peak ratio
    Patent number: 6255785
    Abstract: A high power factor electronic ballast for fluorescent lamps having low lamp current peak ratio and which includes a bridge rectifier for rectifying a commercial power supply voltage, a high frequency oscillator using an output voltage from a bridge rectifier as its supply voltage, a first supplementary power source to supply the high frequency oscillator a voltage by superimposing two supplementary voltages generated from a portion of high frequency current in a load on the output voltage from the bridge rectifier, and a second supplementary power source to supply the high frequency oscillator a direct offset voltage generated from a portion of high frequency current in the load to improve the input current waveform of the bridge rectifier.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: July 3, 2001
    Inventors: Changgen Yang, William Yu
  • Holding and support element for irons
    Patent number: 6250593
    Abstract: A holding and support element for electric irons which includes a protective support formed of a heat insulating material which may be placed against an ironing plate and which includes a bottom wall and side walls which are formed to define a housing for receiving the ironing plate such that the support will remain secured to the ironing plate regardless of movement of the ironing to thereby prevent injury from accidental contact with the ironing plate.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: June 26, 2001
    Assignee: EMMEPI di Manfrenuzzi Maria
    Inventor: Clemente Palu
  • Poles and terminals equipped with connection to the ground with breaking point
    Patent number: 6250835
    Abstract: A pole or the like formed by an anchoring member and a vertical member which are linked by a linking piece having a zone of lower resistance to force. Block members are provided at the opposite ends of the anchoring member and the vertical member each of which has a central bore for receiving the linking piece and at least one of the block members has a surface slopping from its center towards it periphery such that a space between the opposite block members is greater at the periphery of the pole than at its center.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: June 26, 2001
    Inventor: Didier Chamel
  • Electronic power device and electronic power assembly comprising such a device
    Patent number: 6249448
    Abstract: An electronic power device including at least one sub-system supporting power modules, a capacitor battery connectable to an electrical power supply and being connected to the power modules. The capacitor battery includes one or more capacitors which when a plurality are provided are disposed in parallel between first and second connection plates. Each sub-system has a first face supporting at least one first power module and a second face for supporting at least one second power module and wherein the first plate is connected to each first power module and the second plate is connected to each second power module.
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: June 19, 2001
    Assignee: Alstom Transport SA
    Inventors: Bernard Regnier, Jacques Cettour-Rose, Patrick Luscher, Daniel Fellmann
  • Vertical conveyor parts washer with rotary carriers
    Patent number: 6244279
    Abstract: A method and system for immersion cleaning of mechanical parts which includes a continuous conveyor having a plurality of vertical conveyor runs which pass through at least one cleaning tank. Each cleaning tank includes at least two turbulent wash zones. Parts carriers are supported by the conveyor such that the parts are rotated as they are conveyed through the at least one cleaning tank during the cleaning process.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: June 12, 2001
    Assignee: Bowden Industries, Inc.
    Inventor: Donald R. Bowden
  • Process of manufacturing an electrical rotating actuator such as for use in weaving looms and weaving systems
    Patent number: 6237213
    Abstract: A method of forming a stator for an electrical actuator of a type which may be used in weaving looms and weaving systems wherein a stack of armature plates having two-spaced sections are initially wrapped with an electrically conductive wire to create two coils afterwhich the stack is folded to sever severable bridge elements of the stack and to form an armature to include a tubular housing for a rotor.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: May 29, 2001
    Assignee: Staubli Faverges
    Inventors: Dominique Braun, Pierre Bourgeaux, Patrick Iltis
  • Portable bath seat
    Patent number: 6226810
    Abstract: A lightweight portable seating unit for a bathtub which unit includes a platform adapted to be supported by and clamped to the sidewalls of the bathtub and on which a seat is slideably carried and pivotably adjustable to facilitate positioning of an individual seated on the unit. In some embodiments the seat may include an adjustable backrest and head support and/or a bidet attachment.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: May 8, 2001
    Assignee: Patent/Marketing Concepts, L.L.C.
    Inventors: Bruce Weddendorf, Gary J. Helmes, Sr.
  • Armchair
    Patent number: D441556
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 8, 2001
    Assignee: Grosfillex Sarl
    Inventor: Raymond Grosfillex
  • Armchair
    Patent number: D441973
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 15, 2001
    Assignee: Grosfillex Sarl
    Inventor: Raymond Grosfillex
  • Armchair
    Patent number: D442377
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 22, 2001
    Assignee: Grosfillex Sarl
    Inventor: Raymond Grosfillex
  • Armchair
    Patent number: D442381
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 22, 2001
    Assignee: Grosfillex Sarl
    Inventor: Raymond Grosfillex
  • Chair
    Patent number: D442382
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 22, 2001
    Assignee: Grosfillex Sarl
    Inventor: Raymond Grosfillex
  • Armchair
    Patent number: D442794
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 29, 2001
    Assignee: Grosfillex Sarl
    Inventor: Raymond Grosfillex
  • Book support rack
    Patent number: D442804
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: May 29, 2001
    Inventor: Stephen Alan Parks
  • Serving stand
    Patent number: D444359
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: July 3, 2001
    Inventor: Zubin Levy