the movement of each pump piston in the two directions being obtained by a double-acting piston liquid motor

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Deviation Tolerant Well Plunger Pump

    • Publication number 20150136418
    • Publication date May 21, 2015
    • BAKER HUGHES INCORPORATED
    • David Garrett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM AND METHOD FOR CONTROLLING MOTION PROFILE OF PISTONS

    • Publication number 20140161627
    • Publication date Jun 12, 2014
    • GENERAL ELECTRIC COMPANY
    • Shyam Sivaramakrishnan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ARRANGEMENT WITH TWO PUMP UNITS, SYSTEM, USE AND METHOD

    • Publication number 20110318195
    • Publication date Dec 29, 2011
    • Alfa Laval Corporate AB
    • Erik Cardelius
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRECOMPRESSION EFFECT IN PUMP BODY

    • Publication number 20110255993
    • Publication date Oct 20, 2011
    • Brian Ochoa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multi-pump sequencing

    • Publication number 20100260615
    • Publication date Oct 14, 2010
    • Schwing Bioset, Inc.
    • Thomas M. Anderson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONCRETE PUMP

    • Publication number 20100260625
    • Publication date Oct 14, 2010
    • Jambrecina Drago
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Apparatus And Method For Pumping A Cryogenic Fluid From A Storage V...

    • Publication number 20080302111
    • Publication date Dec 11, 2008
    • Greg Batenburg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Apparatus And Method For Pumping A Fluid From A Storage Vessel And...

    • Publication number 20080302109
    • Publication date Dec 11, 2008
    • Greg Batenburg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Cylinder Assembly for Providing Uniform Flow Output

    • Publication number 20080170954
    • Publication date Jul 17, 2008
    • Fangfang Jiang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method of operation of a reciprocating positive-displacement pump a...

    • Publication number 20080014106
    • Publication date Jan 17, 2008
    • Hofmann GmbH Maschinenfabrik und Vertrieb
    • Frank Hofmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Concrete-mortar transfer system of concrete pump car

    • Publication number 20050232069
    • Publication date Oct 20, 2005
    • DNS CO., LTD.
    • Chul Jong Jung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rodder pump

    • Publication number 20050142012
    • Publication date Jun 30, 2005
    • Elgin Sweeper
    • John D. Padgett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Displacement shift valve and pumping apparatus and methods using su...

    • Publication number 20050011350
    • Publication date Jan 20, 2005
    • Duane R. Remus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method and system for the controlled application of fluid pressure...

    • Publication number 20040187562
    • Publication date Sep 30, 2004
    • SMS Meer GmbH
    • Manfred Kolbe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid powered additive injection system

    • Publication number 20040136832
    • Publication date Jul 15, 2004
    • Carl L. Hammonds
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Hydraulic multiphase pump

    • Publication number 20040091363
    • Publication date May 13, 2004
    • Bryan Virge Butler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC MULTIPHASE PUMP

    • Publication number 20030118452
    • Publication date Jun 26, 2003
    • Bryan Virge Butler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    High pressure water pump

    • Publication number 20020106292
    • Publication date Aug 8, 2002
    • Munters Corporation
    • James M. Chowaniec
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic displacement pump having two stroke length

    • Publication number 20010031212
    • Publication date Oct 18, 2001
    • Schwing America, Inc.
    • Thomas M. Anderson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...