the inner and outer member having a different number of threads and one of the two being made of elastic material

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  • Information Patent Application

    Stator for Progressive Cavity Pump/Motor

    • Publication number 20160017711
    • Publication date Jan 21, 2016
    • Andrew Morris
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM AND METHOD FOR OPERATING A PUMP

    • Publication number 20160003242
    • Publication date Jan 7, 2016
    • Franklin Electric Company, Inc.
    • Lyon van der Merwe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSIVE CAVITY PUMP

    • Publication number 20150139842
    • Publication date May 21, 2015
    • Christian Bratu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Progressing Cavity Gas Pump And Progressing Cavity Gas Pumping Method

    • Publication number 20120282128
    • Publication date Nov 8, 2012
    • Lorenz Lessmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSIVE CAVITY COMPRESSOR

    • Publication number 20110174010
    • Publication date Jul 21, 2011
    • BLUE HELIX, LLC
    • Jack H. Irving
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSING CAVITY PUMP ADAPTED FOR PUMPING OF COMPRESSIBLE FLUIDS

    • Publication number 20100329913
    • Publication date Dec 30, 2010
    • AGR SUBSEA AS
    • Sigurd Ree
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...