of wolfram

Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerant compressor and refrigerating cycle device

    • Patent number 8,585,385
    • Issue date Nov 19, 2013
    • Toshiba Carrier Corporation
    • Norihisa Watanabe
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal pump for slurries

    • Patent number 8,535,000
    • Issue date Sep 17, 2013
    • Syncrude Canada Ltd.
    • Stefano Chiovelli
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    High-pressure pump for supplying fuel to an internal-combustion engine

    • Patent number 8,523,534
    • Issue date Sep 3, 2013
    • Robert Bosch GmbH
    • Vito Spinelli
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Valve assembly

    • Patent number 8,287,256
    • Issue date Oct 16, 2012
    • Caterpillar Inc.
    • Scott F. Shafer
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    High temperature and high pressure compressor piston ring

    • Patent number 7,510,195
    • Issue date Mar 31, 2009
    • Honeywell International Inc.
    • Yoshio Usui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ring for concrete pump

    • Patent number 6,857,861
    • Issue date Feb 22, 2005
    • Kennametal Inc.
    • Gary J. Condon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Balanced pressure gerotor fuel pump

    • Patent number 6,769,889
    • Issue date Aug 3, 2004
    • Delphi Technologies, Inc.
    • Michael Raymond Raney
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pump

    • Patent number 6,241,492
    • Issue date Jun 5, 2001
    • Gardner Denver Water Jetting Systems, Inc.
    • Amos Pacht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Downthrust pads for submersible centrifugal pumps

    • Patent number 6,106,224
    • Issue date Aug 22, 2000
    • Camco International Inc.
    • Ketankumar Kantilal Sheth
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pump

    • Patent number 5,924,853
    • Issue date Jul 20, 1999
    • Butterworth Jetting Systems, Inc.
    • Amos Pacht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submersible canned motor transfer pump

    • Patent number 5,659,214
    • Issue date Aug 19, 1997
    • Westinghouse Electric Corporation
    • Richard F. Guardiani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of applying a filled in metal carbide hard facing to the rot...

    • Patent number 5,645,896
    • Issue date Jul 8, 1997
    • Kudu Industries Inc.
    • Robert A.R. Mills
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hardfacing for progressing cavity pump rotors

    • Patent number 5,498,142
    • Issue date Mar 12, 1996
    • Kudu Industries, Inc.
    • Robert A. R. Mills
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Planocentric drive mechanism

    • Patent number 5,211,611
    • Issue date May 18, 1993
    • American Power Equipment Company
    • James B. Lammers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump for high viscosity materials

    • Patent number 5,190,450
    • Issue date Mar 2, 1993
    • Eastman Kodak Company
    • Syamal K. Ghosh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3476052

    • Patent number 3,476,052
    • Issue date Nov 4, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COATINGS FOR REDUCING WEAR ON ROD PUMP COMPONENTS

    • Publication number 20180106250
    • Publication date Apr 19, 2018
    • GENERAL ELECTRIC COMPANY
    • Lawrence Bernard Kool
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    COATINGS FOR REDUCING WEAR ON ROD PUMP COMPONENTS

    • Publication number 20170167483
    • Publication date Jun 15, 2017
    • GENERAL ELECTRIC COMPANY
    • Lawrence Bernard Kool
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    REFRIGERANT COMPRESSOR AND REFRIGERATING CYCLE DEVICE

    • Publication number 20110052439
    • Publication date Mar 3, 2011
    • TOSHIBA CARRIER CORPORATION
    • Norihisa Watanabe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CENTRIFUGAL PUMP FOR SLURRIES

    • Publication number 20100272563
    • Publication date Oct 28, 2010
    • SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project
    • STEFANO CHIOVELLI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20100255343
    • Publication date Oct 7, 2010
    • Yuuichi Takagi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH-PRESSURE PUMP FOR SUPPLYING FUEL TO AN INTERNAL-COMBUSTION ENGINE

    • Publication number 20100183449
    • Publication date Jul 22, 2010
    • Vito Spinelli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Valve assembly

    • Publication number 20090114292
    • Publication date May 7, 2009
    • Caterpillar Inc.
    • Scott F. Shafer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Wear-resistant port plate for a fluid transfer device and fluid tra...

    • Publication number 20070022873
    • Publication date Feb 1, 2007
    • Honeywell International Inc.
    • Steven E. Sund
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    High temperature and high pressure compressor piston ring

    • Publication number 20050109289
    • Publication date May 26, 2005
    • Honeywell International Inc.
    • Yoshio Usui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Ring for concrete pump

    • Publication number 20030215344
    • Publication date Nov 20, 2003
    • Gary J. Condon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...