with cam-actuated distribution members

Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole hydraulic pump

    • Patent number 10,344,745
    • Issue date Jul 9, 2019
    • Welltec A/S
    • Jørgen Hallundbæk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston machine having braking means secured against twisting

    • Patent number 10,221,831
    • Issue date Mar 5, 2019
    • Robert Bosch GmbH
    • Laurent Masson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Subassembly forming a hydrobase for hydraulic motors, and assembly...

    • Patent number 9,284,942
    • Issue date Mar 15, 2016
    • Poclain Hydraulics Industrie
    • Bernard Allart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vehicle oil pump

    • Patent number 9,261,063
    • Issue date Feb 16, 2016
    • Toyota Jidosha Kabushiki Kaisha
    • Atsushi Honda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Volumetric pump and its driving mechanism

    • Patent number 9,022,755
    • Issue date May 5, 2015
    • Swissinnov Product sarl
    • Florent Junod
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Zero leakage valveless positive fluid displacement device

    • Patent number 6,162,030
    • Issue date Dec 19, 2000
    • EncyNova International, Inc.
    • Michel A. Pierrat
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump

    • Patent number 5,163,822
    • Issue date Nov 17, 1992
    • Kitronic Gesellschaft fur Mikrotechnik in der Medizin mbH
    • Harm Koelln
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1227164

    • Patent number 1,227,164
    • Issue date May 22, 1917
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    INTEGRATED ELECTRIC-TO-HYDRAULIC CONVERSION MACHINE

    • Publication number 20220252058
    • Publication date Aug 11, 2022
    • Regents of the University of Minnesota
    • James Van de Ven
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RADIAL PISTON PUMPS AND MOTORS

    • Publication number 20180202421
    • Publication date Jul 19, 2018
    • DOMIN FLUID POWER LIMITED
    • Andrew John COLLINS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Radial Piston Machine having Braking Means Secured against Twisting

    • Publication number 20170138334
    • Publication date May 18, 2017
    • ROBERT BOSCH GmbH
    • Laurent Masson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOWNHOLE HYDRAULIC PUMP

    • Publication number 20140127046
    • Publication date May 8, 2014
    • Welltec A/S
    • Jørgen Hallundbæk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VEHICLE OIL PUMP

    • Publication number 20140020662
    • Publication date Jan 23, 2014
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Atsushi Honda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Subassembly Forming A Hydrobase For Hydraulic Motors, And Assembly...

    • Publication number 20120297972
    • Publication date Nov 29, 2012
    • POCLAIN HYDRAULICS INDUSTRIE
    • Bernard Allart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VOLUMETRIC PUMP AND ITS DRIVING MECHANISM

    • Publication number 20110206545
    • Publication date Aug 25, 2011
    • SWISSINNOV PRODUCT SARL
    • Florent Junod
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Spring barrel pumps

    • Publication number 20080025850
    • Publication date Jan 31, 2008
    • HYDRO LEDUC
    • Louis-Claude Porel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...