TREA

Hans Christian Karlsen

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  • Trondheim, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Well abandonment and slot recovery
    • Patent number 11,840,900
    • Issue date Dec 12, 2023
    • ARDYNE HOLDINGS LIMITED
    • Hans Christian Karlsen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well abandonment and slot recovery
    • Patent number 11,840,899
    • Issue date Dec 12, 2023
    • ARDYNE HOLDINGS LIMITED
    • Hans Christian Karlsen
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents