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Dave Nicholson

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  • Edmonton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flow controlling downhole tool
    • Patent number 9,765,584
    • Issue date Sep 19, 2017
    • TLL OILFIELD CONSULTING LTD.
    • Troy Lorenson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole drilling tool
    • Patent number 9,637,976
    • Issue date May 2, 2017
    • TLL OILFIELD CONSULTING LTD.
    • Troy Lorenson
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    FLOW CONTROLLING DOWNHOLE TOOL
    • Publication number 20160281449
    • Publication date Sep 29, 2016
    • TLL OILFIELD CONSULTING LTD.
    • Troy Lorenson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE DRILLING TOOL
    • Publication number 20140246240
    • Publication date Sep 4, 2014
    • Troy LORENSON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE DRILLING TOOL
    • Publication number 20140190749
    • Publication date Jul 10, 2014
    • Troy LORENSON
    • E21 - EARTH DRILLING MINING