TREA

Dung Tran

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable ram block changer
    • Patent number 9,441,442
    • Issue date Sep 13, 2016
    • National-Oilwell Varco, L.P.
    • Tan Le
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Portable ram block changer
    • Patent number 8,720,476
    • Issue date May 13, 2014
    • National-Oilwell Varco, L.P.
    • Tan Lee
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE RAM BLOCK CHANGER
    • Publication number 20140209320
    • Publication date Jul 31, 2014
    • National-Oilwell Varco, L.P.
    • Tan Le
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Portable Ram Block Changer
    • Publication number 20110030943
    • Publication date Feb 10, 2011
    • National-Oilwell Varco, L.P.
    • Tan Le
    • E21 - EARTH DRILLING MINING