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John Van Krevel

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  • Dublin, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pump jack system
    • Patent number 11,649,706
    • Issue date May 16, 2023
    • POC HYDRAULIC TECHNOLOGIES, LLC
    • John Van Krevel
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMP JACK SYSTEM
    • Publication number 20210032966
    • Publication date Feb 4, 2021
    • POC Hydraulic Technologies, LLC
    • John Van Krevel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARAUTS FOR FLUID PUMPING
    • Publication number 20150176578
    • Publication date Jun 25, 2015
    • Leonard C. Sotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method and Apparatus for Fluid Pumping
    • Publication number 20120224977
    • Publication date Sep 6, 2012
    • Leonard C. Sotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...