TREA

William D. Rumbaugh

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  • Carrollton, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Well test tool
    • Patent number 4,830,107
    • Issue date May 16, 1989
    • Otis Engineering Corporation
    • William D. Rumbaugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus and methods for cleaning well perforations
    • Patent number 4,793,417
    • Issue date Dec 27, 1988
    • Otis Engineering Corporation
    • William D. Rumbaugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electrical connector assembly
    • Patent number 4,781,607
    • Issue date Nov 1, 1988
    • Otis Engineering Corporation
    • William D. Rumbaugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Latch assembly for well tools
    • Patent number 4,722,393
    • Issue date Feb 2, 1988
    • Otis Engineering Corporation
    • William D. Rumbaugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well test tool and system
    • Patent number 4,669,537
    • Issue date Jun 2, 1987
    • Otis Engineering Corporation
    • William D. Rumbaugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Surface controlled subsurface safety valve
    • Patent number 4,667,736
    • Issue date May 26, 1987
    • Otis Engineering Corporation
    • William D. Rumbaugh
    • E21 - EARTH DRILLING MINING