TREA

Engineering & Drilling Machinery AS

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  • Stavanger, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston pump
    • Patent number 6,749,408
    • Issue date Jun 15, 2004
    • Engineering & Drilling Machinery AS
    • Bjorn Eilertsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary table
    • Patent number 6,401,841
    • Issue date Jun 11, 2002
    • Engineering & Drilling Machinery AS
    • Bjørn Eilertsen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tower
    • Patent number 6,336,622
    • Issue date Jan 8, 2002
    • Engineering & Drilling Machinery AS
    • Bjørn Eilertsen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Device for preventing pipe buckling
    • Patent number 6,283,203
    • Issue date Sep 4, 2001
    • Engineering and Drilling Machinery AS
    • Bjørn Eilertsen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill floor hole
    • Patent number 6,209,851
    • Issue date Apr 3, 2001
    • Engineering & Drilling Machinery AS
    • Bjørn Eilertsen
    • B66 - HOISTING LIFTING HAULING