TREA

Bill W. Loughridge

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  • Duncan, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bidirectional disappearing plug
    • Patent number 6,026,903
    • Issue date Feb 22, 2000
    • Halliburton Energy Services, Inc.
    • Perry C. Shy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bidirectional disappearing plug
    • Patent number 5,765,641
    • Issue date Jun 16, 1998
    • Halliburton Energy Services, Inc.
    • Perry C. Shy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Temporary plug system
    • Patent number 5,479,986
    • Issue date Jan 2, 1996
    • Halliburton Company
    • John C. Gano
    • E21 - EARTH DRILLING MINING