David PIERSON

Person

  • Portland, OR, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Input circuit for current transformer

    • Patent number 9,588,148
    • Issue date Mar 7, 2017
    • Veris Industries, LLC
    • Martin Cook
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current switch with automatic calibration

    • Patent number 9,410,552
    • Issue date Aug 9, 2016
    • Veris Industries, LLC
    • David Pierson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    INPUT CIRCUIT FOR CURRENT TRANSFORMER

    • Publication number 20150219691
    • Publication date Aug 6, 2015
    • Veris Industries, LLC
    • Martin COOK
    • G01 - MEASURING TESTING
  • Information Patent Application

    CURRENT SWITCH WITH AUTOMATIC CALIBRATION

    • Publication number 20130088213
    • Publication date Apr 11, 2013
    • VERIS INDUSTRIES, LLC
    • David PIERSON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...