TREA

Roland Richard Freiheit

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  • Edmunton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic tubing filler
    • Patent number 7,108,071
    • Issue date Sep 19, 2006
    • Weatherford/Lamb, Inc.
    • Roland Richard Freiheit
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Two-stage downhole packer
    • Patent number 6,612,372
    • Issue date Sep 2, 2003
    • Weatherford/Lamb, Inc.
    • Roland R. Freiheit
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Port collar assembly for use in a wellbore
    • Patent number 6,513,595
    • Issue date Feb 4, 2003
    • Weatherford/Lamb, Inc.
    • Roland R. Freiheit
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tubing plug
    • Patent number 6,334,488
    • Issue date Jan 1, 2002
    • Weatherford/Lamb, Inc.
    • Roland Richard Freiheit
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Automatic tubing filler
    • Publication number 20020189814
    • Publication date Dec 19, 2002
    • Roland Richard Freiheit
    • E21 - EARTH DRILLING MINING