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  • CPC
  • F04B27/0414
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B27/00Multi-cylinder pumps characterised by number or arrangement of cylinders

Current Industry

F04B27/0414Cams
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealed cavity compressor to reduce contaminant induction
    • Patent number 11,002,268
    • Issue date May 11, 2021
    • Cobham Mission Systems Davenport LSS Inc.
    • Gerin Goldensoph
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor unit, and compressor
    • Patent number 9,771,930
    • Issue date Sep 26, 2017
    • Gea Bock GmbH
    • Arno Görlich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor
    • Patent number 9,441,619
    • Issue date Sep 13, 2016
    • Hitachi Automotive Systems, Ltd.
    • Tsutomu Ito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor and oxygen concentrator
    • Patent number 8,435,013
    • Issue date May 7, 2013
    • Daikin Industries, Ltd.
    • Keita Kondou
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Direct crankshaft of air compressor
    • Patent number 8,388,317
    • Issue date Mar 5, 2013
    • Kohands Co., Ltd.
    • Joo-Hwan Sung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant compressor having a connecting rod with a force applica...
    • Patent number 8,192,174
    • Issue date Jun 5, 2012
    • Danfoss A/S
    • Jürgen Süss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact dual rocking piston pump with reduced number of parts
    • Patent number 8,128,382
    • Issue date Mar 6, 2012
    • Gast Manufacturing, Inc.
    • Troy Smits
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Crankshaft beam piston engine or machine
    • Patent number 7,650,870
    • Issue date Jan 26, 2010
    • Patrick T. Fisher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Efficiencies for cam-drive piston engines or machines
    • Patent number 7,552,707
    • Issue date Jun 30, 2009
    • Patrick T. Fisher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary to reciprocal power transfer device
    • Patent number 7,475,627
    • Issue date Jan 13, 2009
    • Ragain Air Compressors, Inc.
    • David Kim Irick
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Eccentric drive mechanism for volumetric pumps or motors
    • Patent number 7,441,492
    • Issue date Oct 28, 2008
    • Bernhard Frey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Efficiencies for piston engines or machines
    • Patent number 7,328,682
    • Issue date Feb 12, 2008
    • Patrick T. Fisher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Home oxygen-compression apparatus
    • Patent number 7,244,107
    • Issue date Jul 17, 2007
    • Merits Health Products Co., Ltd.
    • Chen-Bong Cheng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump cylinder seal
    • Patent number 7,220,109
    • Issue date May 22, 2007
    • Thomas Industries, Inc.
    • Raymond J. Kultgen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Crankcase sealing apparatus
    • Patent number 7,037,090
    • Issue date May 2, 2006
    • Thomas Industries, Inc.
    • Shawn A. Leu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston mounting and balancing system
    • Patent number 6,832,900
    • Issue date Dec 21, 2004
    • Thomas Industries Inc.
    • Shawn A. Leu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage high pressure compressor
    • Patent number 6,431,840
    • Issue date Aug 13, 2002
    • Sanyo Electric Co., Ltd.
    • Denji Mashimo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant compressor apparatus
    • Patent number 6,401,472
    • Issue date Jun 11, 2002
    • Bitzer Kuehlmaschinenbau GmbH
    • Volker Pollrich
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cam driven compressor
    • Patent number 4,105,371
    • Issue date Aug 8, 1978
    • General Motors Corporation
    • Jack W. Savage
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement radial piston compressor
    • Patent number 4,050,852
    • Issue date Sep 27, 1977
    • General Motors Corporation
    • Byron L. Brucken
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3697764
    • Patent number 3,697,764
    • Issue date Oct 10, 1972
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3375972
    • Patent number 3,375,972
    • Issue date Apr 2, 1968
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3294316
    • Patent number 3,294,316
    • Issue date Dec 27, 1966
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2827227
    • Patent number 2,827,227
    • Issue date Mar 18, 1958
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2530551
    • Patent number 2,530,551
    • Issue date Nov 21, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2319718
    • Patent number 2,319,718
    • Issue date May 18, 1943
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2202520
    • Patent number 2,202,520
    • Issue date May 28, 1940
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1696013
    • Patent number 1,696,013
    • Issue date Dec 18, 1928
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1479856
    • Patent number 1,479,856
    • Issue date Jan 8, 1924
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON-CYLINDER ASSEMBLY FOR A RADIAL PISTON COMPRESSOR, AND RADIAL...
    • Publication number 20240011475
    • Publication date Jan 11, 2024
    • thyssenkrupp Dynamic Components GmbH
    • Ulf MUELLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYBRIDIZED COMPRESSOR
    • Publication number 20140301865
    • Publication date Oct 9, 2014
    • ENGINETICS, LLC
    • Joseph Lull
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20140301872
    • Publication date Oct 9, 2014
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Takashi OKUNO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR
    • Publication number 20140294636
    • Publication date Oct 2, 2014
    • Hitachi Automotive Systems, Ltd.
    • Tsutomu ITO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RING CAM AND FLUID-WORKING MACHINE INCLUDING RING CAM
    • Publication number 20120260795
    • Publication date Oct 18, 2012
    • Artemis Intelligent Power Limited
    • William Hugh Salvin Rampen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DEVICE FOR DELIVERING A GAS
    • Publication number 20110277877
    • Publication date Nov 17, 2011
    • DOUKAS AG
    • Michael Stehle
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    DOUBLE-ACTING PISTON COMPRESSOR OF WHICH THE PISTON IS GUIDED BY A...
    • Publication number 20110198887
    • Publication date Aug 18, 2011
    • Vianney Rabhi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20110038740
    • Publication date Feb 17, 2011
    • INVACARE CORPORATION
    • Gerold Goertzen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR AND OXYGEN CONCENTRATOR
    • Publication number 20100319547
    • Publication date Dec 23, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Keita Kondou
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FILLING MACHINE FOR HIGHLY COMPRESSED GAS
    • Publication number 20100236648
    • Publication date Sep 23, 2010
    • ENERGETIC TECHNOLOGY DEVELOPMENT LIMITED
    • Chen Bong Cheng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20100150746
    • Publication date Jun 17, 2010
    • Robert Adler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERANT COMPRESSOR
    • Publication number 20100092313
    • Publication date Apr 15, 2010
    • Danfoss A/S
    • Jurgen Suss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIRECT CRANKSHAFT OF AIR COMPRESSOR
    • Publication number 20100061866
    • Publication date Mar 11, 2010
    • KOHANDS. CO., LTD
    • Joo-Hwan Sung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE COMPRESSOR
    • Publication number 20090220357
    • Publication date Sep 3, 2009
    • Deutsches Zentru, Fur Luft-und Raumfahrt e.v.
    • Klaus Bäumer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRANKSHAFT BEAM PISTON ENGINE OR MACHINE
    • Publication number 20090199811
    • Publication date Aug 13, 2009
    • Patrick T. Fisher
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compact Dual Rocking Piston Pump with Reduced Number of Parts
    • Publication number 20090016917
    • Publication date Jan 15, 2009
    • Gast Manufacturing, Inc.
    • Troy Smits
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EFFICIENCIES FOR CAM-DRIVE PISTON ENGINES OR MACHINES
    • Publication number 20080141855
    • Publication date Jun 19, 2008
    • Patrick T. Fisher
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Cam driven piston compressor apparatus
    • Publication number 20070116585
    • Publication date May 24, 2007
    • Saverio Scalzi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary to reciprocal power transfer device
    • Publication number 20070068468
    • Publication date Mar 29, 2007
    • David Kim Irick
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Efficiencies for piston engines or machines
    • Publication number 20070056552
    • Publication date Mar 15, 2007
    • Patrick T. Fisher
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Eccentric drive mechanism for volumetric pumps or motors
    • Publication number 20060245940
    • Publication date Nov 2, 2006
    • Bernhard Frey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Home oxygen-compression apparatus
    • Publication number 20060216158
    • Publication date Sep 28, 2006
    • Merits Health Products Co., Ltd.
    • Chen-Bong Cheng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump sealing
    • Publication number 20050112002
    • Publication date May 26, 2005
    • Shawn A. Leu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump with transfer tube
    • Publication number 20050100458
    • Publication date May 12, 2005
    • Shawn A. Leu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Flapper valve mounting structure
    • Publication number 20050098222
    • Publication date May 12, 2005
    • Shawn A. Leu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump cylinder seal
    • Publication number 20050074351
    • Publication date Apr 7, 2005
    • Raymond J. Kultgen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston mounting and balancing system
    • Publication number 20050069431
    • Publication date Mar 31, 2005
    • Shawn A. Leu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston pump
    • Publication number 20040131489
    • Publication date Jul 8, 2004
    • Shawn A. Leu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Refrigerant compressor apparatus
    • Publication number 20010011463
    • Publication date Aug 9, 2001
    • Volker Pollrich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...