with means for lifting the closure member for pump cleaning purposes

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC RAM PUMP CONTROLLER

    • Publication number 20240052856
    • Publication date Feb 15, 2024
    • HydroHammer Limited
    • Thomas ROWAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump Fluid End with Suction Valve Closure Assist

    • Publication number 20200386214
    • Publication date Dec 10, 2020
    • Halliburton Energy Services, Inc.
    • Justin Lee HURST
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSING DEVICE AND METHOD FOR CARRYING OUT COMPRESSING DEVICE

    • Publication number 20190353306
    • Publication date Nov 21, 2019
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Koichiro HASHIMOTO
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SANITARY CHECK VALVE

    • Publication number 20170241415
    • Publication date Aug 24, 2017
    • Muzan, Inc.
    • Alberto Bazan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHODS OF USE FOR A POSITIVE DISPLACEMENT PUMP HAVING AN EXTERNALL...

    • Publication number 20100183448
    • Publication date Jul 22, 2010
    • Edward Leugemors
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Valve-Seat Interface Architecture

    • Publication number 20080279706
    • Publication date Nov 13, 2008
    • Philippe Gambier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Externally Assisted Valve for a Positive Displacement Pump

    • Publication number 20080279705
    • Publication date Nov 13, 2008
    • Toshimichi Wago
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Automatic inlet check valve release

    • Publication number 20070025863
    • Publication date Feb 1, 2007
    • Wagner Spray Tech Corporation
    • Stephen K. Liedtke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pulsation causing valve for a plural piston pump

    • Publication number 20060130902
    • Publication date Jun 22, 2006
    • Steve A. Larson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...