TREA

James M. Williams

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  • Grand Prairie, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual flapper safety valve
    • Patent number 8,047,294
    • Issue date Nov 1, 2011
    • Halliburton Energy Services, Inc.
    • James D. Vick, Jr.
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dual flapper safety valve
    • Patent number 7,798,229
    • Issue date Sep 21, 2010
    • Halliburton Energy Services, Inc.
    • James D. Vick, Jr.
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DUAL FLAPPER SAFETY VALVE
    • Publication number 20100307758
    • Publication date Dec 9, 2010
    • Halliburton Energy Services, Inc.
    • James D. VICK, Jr.
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Dual flapper safety valve
    • Publication number 20060162939
    • Publication date Jul 27, 2006
    • James D. Vick
    • E21 - EARTH DRILLING MINING