TREA

Andrew Alexander Trowbridge

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  • Anaheim, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fail-safe high velocity flow casing shoe
    • Patent number 10,760,383
    • Issue date Sep 1, 2020
    • WWT North America Holdings, Inc.
    • Sarah Mitchell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Clean out sub
    • Patent number 9,708,872
    • Issue date Jul 18, 2017
    • WWT North America Holdings, Inc.
    • Eric John O'Neal
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    FAIL-SAFE HIGH VELOCITY FLOW CASING SHOE
    • Publication number 20180179864
    • Publication date Jun 28, 2018
    • WWT North America Holdings, Inc.
    • Sarah Mitchell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CLEAN OUT SUB
    • Publication number 20140374157
    • Publication date Dec 25, 2014
    • Eric John O'Neal
    • E21 - EARTH DRILLING MINING