TREA

James F. Wilkin

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  • Sherwood Park, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stage tool
    • Patent number 11,840,905
    • Issue date Dec 12, 2023
    • Weatherford Technology Holdings, LLC
    • Stephanie Dianne Wind
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sliding sleeve having inverting ball seat
    • Patent number 9,677,380
    • Issue date Jun 13, 2017
    • Weatherford Technology Holdings, LLC
    • James F. Wilkin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sliding sleeve having contracting, dual segmented ball seat
    • Patent number 9,624,756
    • Issue date Apr 18, 2017
    • Weatherford Technology Holdings, LLC
    • Michael W. Cast
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Modular liner hanger
    • Patent number 7,128,147
    • Issue date Oct 31, 2006
    • Watherford/Lamb Inc.
    • Jozeph R. Marcin
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • 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

Patents Applicationslast 30 patents