TREA

Baldwin Zahn

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe racking system
    • Patent number 7,246,983
    • Issue date Jul 24, 2007
    • National-Oilwell, L.P.
    • Baldwin E. Zahn
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    BOP handling system
    • Patent number 7,040,411
    • Issue date May 9, 2006
    • National-Oilwell, L.P.
    • Bryan Kainer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe racker assembly
    • Patent number 5,423,390
    • Issue date Jun 13, 1995
    • Dreco, Inc.
    • Robert B. Donnally
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Pipe racking system
    • Publication number 20060104747
    • Publication date May 18, 2006
    • Baldwin E. Zahn
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BOP handling system
    • Publication number 20040231857
    • Publication date Nov 25, 2004
    • National Oilwell, L.P.
    • Bryan Kainer
    • E21 - EARTH DRILLING MINING