Cylindrical distribution members

Patents Grantslast 30 patents

  • Information Patent Grant

    Cover, fluid end and plunger pump

    • Patent number 12,044,234
    • Issue date Jul 23, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Xiaobin Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end block for frac pump

    • Patent number 11,225,861
    • Issue date Jan 18, 2022
    • KHOLLE Magnolia 2015, LLC
    • Mark C. Dille
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    High pressure pumps having a check valve keeper and associated syst...

    • Patent number 10,808,688
    • Issue date Oct 20, 2020
    • OMAX Corporation
    • Chidambaram Raghavan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic arrangement

    • Patent number 10,145,366
    • Issue date Dec 4, 2018
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston type compressor

    • Patent number 9,470,224
    • Issue date Oct 18, 2016
    • Kabushiki Kaisha Toyota Jidoshokki
    • Takahisa Ban
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive-displacement pump including a pressure absorber

    • Patent number 9,121,396
    • Issue date Sep 1, 2015
    • Michelin Recherche et Technique S.A.
    • Christophe Ougier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive-displacement pump

    • Patent number 5,655,891
    • Issue date Aug 12, 1997
    • Sedepro
    • Michel Deal
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hydraulic power transfer unit

    • Patent number 4,429,707
    • Issue date Feb 7, 1984
    • McDonnell Douglas Corporation
    • Wilfred E. Boehringer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Quasi-open loop hydraulic ram incremental actuator with power conse...

    • Patent number 4,363,211
    • Issue date Dec 14, 1982
    • The Boeing Company
    • Curtiss W. Robinson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dual sealing ring seal with hydraulic expansion

    • Patent number 4,332,392
    • Issue date Jun 1, 1982
    • McDonnell Douglas Corporation
    • Wilfred E. Boehringer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic power transfer unit

    • Patent number 4,286,927
    • Issue date Sep 1, 1981
    • McDonnell Douglas Corporation
    • Wilfred E. Boehringer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic swash plate pumps

    • Patent number 3,981,630
    • Issue date Sep 21, 1976
    • Gerard Leduc
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3143076

    • Patent number 3,143,076
    • Issue date Aug 4, 1964
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2982215

    • Patent number 2,982,215
    • Issue date May 2, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2636438

    • Patent number 2,636,438
    • Issue date Apr 28, 1953
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2479876

    • Patent number 2,479,876
    • Issue date Aug 23, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2448347

    • Patent number 2,448,347
    • Issue date Aug 31, 1948
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2403854

    • Patent number 2,403,854
    • Issue date Jul 9, 1946
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2248449

    • Patent number 2,248,449
    • Issue date Jul 8, 1941
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2074450

    • Patent number 2,074,450
    • Issue date Mar 23, 1937
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1978595

    • Patent number 1,978,595
    • Issue date Oct 30, 1934
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1545038

    • Patent number 1,545,038
    • Issue date Jul 7, 1925
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON-TYPE COMPRESSOR

    • Publication number 20140127061
    • Publication date May 8, 2014
    • Kabushiki Kaisha Toyota Jidoshokki
    • Takahisa BAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Positive-Displacement Pump Including a Pressure Absorber

    • Publication number 20120164013
    • Publication date Jun 28, 2012
    • Christophe Ougier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...