TREA

David J. Havens

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Landing string compensator
    • Patent number 9,650,873
    • Issue date May 16, 2017
    • Weatherford Technology Holdings, LLC
    • David E. Mouton
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Landing string compensator
    • Patent number 9,353,603
    • Issue date May 31, 2016
    • Weatherford Technology Holdings, LLC
    • David E. Mouton
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe handling system
    • Patent number 9,212,527
    • Issue date Dec 15, 2015
    • Weatherford Technology Holdings, LLC
    • Karsten Heidecke
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for attachment of a secondary tool handling de...
    • Patent number 8,919,841
    • Issue date Dec 30, 2014
    • Forum Energy Technologies, Inc.
    • David J. Havens
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe handling system
    • Patent number 8,833,470
    • Issue date Sep 16, 2014
    • Weatherford/Lamb, Inc.
    • Karsten Heidecke
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Landing string compensator
    • Patent number 8,733,447
    • Issue date May 27, 2014
    • Weatherford/Lamb, Inc.
    • David E. Mouton
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    LANDING STRING COMPENSATOR
    • Publication number 20160273317
    • Publication date Sep 22, 2016
    • WEATHERFORD/LAMB, INC.
    • David E. MOUTON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PIPE HANDLING SYSTEM
    • Publication number 20150060045
    • Publication date Mar 5, 2015
    • WEATHERFORD/LAMB, INC.
    • Karsten HEIDECKE
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LANDING STRING COMPENSATOR
    • Publication number 20140338917
    • Publication date Nov 20, 2014
    • WEATHERFORD/LAMB, INC.
    • David E. MOUTON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD AND APPARATUS FOR ATTACHMENT OF A SECONDARY TOOL HANDLING DE...
    • Publication number 20130264838
    • Publication date Oct 10, 2013
    • FORUM ENERGY TECHNOLOGIES, INC.
    • David J. Havens
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PIPE HANDLING SYSTEM
    • Publication number 20100212915
    • Publication date Aug 26, 2010
    • Karsten Heidecke
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LANDING STRING COMPENSATOR
    • Publication number 20090255683
    • Publication date Oct 15, 2009
    • David E. Mouton
    • E21 - EARTH DRILLING MINING