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  • CPC
  • F04C2230/26
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C2230/00Manufacture

Current Industry

F04C2230/26by rolling
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of forming stators for downhole motors
    • Patent number 11,319,753
    • Issue date May 3, 2022
    • Baker Hughes, a GE company, LLC
    • Witali Huber
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming stators for downhole motors
    • Patent number 10,920,493
    • Issue date Feb 16, 2021
    • Baker Hughes, a GE company, LLC
    • Witali Huber
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of manufacturing a screw pump without undercut and/or screw...
    • Patent number 10,113,545
    • Issue date Oct 30, 2018
    • SKF LUBRICATION SYSTEMS GERMANY GMBh
    • Michael Schwaiger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for producing a pendulum of a pendulum slide cell pump
    • Patent number 9,751,163
    • Issue date Sep 5, 2017
    • Mahle International GmbH
    • Marco Kirchner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Downhole motor seal and method
    • Patent number 7,896,628
    • Issue date Mar 1, 2011
    • Schlumberger Technology Corporation
    • Olivier Sindt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of forming a rotary device
    • Patent number 7,621,167
    • Issue date Nov 24, 2009
    • Gilbert Staffend
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary device for use in an engine
    • Patent number 7,556,015
    • Issue date Jul 7, 2009
    • Gilbert S. Staffend
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of making an internally profiled stator tube
    • Patent number 6,568,076
    • Issue date May 27, 2003
    • Halliburton Energy Services, Inc.
    • Richard D. Bottos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internally profiled stator tube
    • Patent number 6,309,195
    • Issue date Oct 30, 2001
    • Halliburton Energy Services, Inc.
    • Richard D. Bottos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF FORMING STATORS FOR DOWNHOLE MOTORS
    • Publication number 20210148171
    • Publication date May 20, 2021
    • BAKER HUGHES, A GE COMPANY, LLC
    • Witali Huber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Pump
    • Publication number 20170089336
    • Publication date Mar 30, 2017
    • SKF LUBRICATION SYSTEMS GERMANY GMBH
    • Michael Schwaiger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump Housing, in Block Form, of a Vehicle Brake System, and Method...
    • Publication number 20130330181
    • Publication date Dec 12, 2013
    • ROBERT BOSCH GmbH
    • Wolfgang Frodl
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Method Of Forming A Rotary Device
    • Publication number 20080245127
    • Publication date Oct 9, 2008
    • Gilbert Staffend
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Downhole motor seal and method
    • Publication number 20060216178
    • Publication date Sep 28, 2006
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Olivier Sindt
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Rotary device for use in an engine
    • Publication number 20050260091
    • Publication date Nov 24, 2005
    • Gilbert S. Staffend
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Internally profiled stator tube
    • Publication number 20020041815
    • Publication date Apr 11, 2002
    • Richard D. Bottos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...