TREA

Roy Birkeland

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  • Nodeland, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling plants and methods
    • Patent number 12,031,393
    • Issue date Jul 9, 2024
    • MHWIRTH AS
    • Per Inge Roensberg
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mousehole apparatus
    • Patent number 9,309,727
    • Issue date Apr 12, 2016
    • Aker MH AS
    • Roy Birkeland
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILLING PLANTS AND METHODS
    • Publication number 20230023261
    • Publication date Jan 26, 2023
    • MHWIRTH AS
    • PER INGE ROENSBERG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MOUSEHOLE APPARATUS
    • Publication number 20140251686
    • Publication date Sep 11, 2014
    • Aker MH AS
    • Roy Birkeland
    • E21 - EARTH DRILLING MINING