TREA

James W. Montgomery

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sandwich shaped piston seal
    • Patent number 4,466,617
    • Issue date Aug 21, 1984
    • Hughes Tool Company
    • James W. Montgomery
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Device for tapping and plugging a fluid conductor
    • Patent number 4,450,857
    • Issue date May 29, 1984
    • Hughes Tool Company
    • John L. Baugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Retrievable well packer
    • Patent number 4,441,559
    • Issue date Apr 10, 1984
    • Hughes Tool Company
    • Robert W. Evans
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Setting tool
    • Patent number 4,441,560
    • Issue date Apr 10, 1984
    • Hughes Tool Company
    • John L. Baugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bottom lock pipe seal assembly
    • Patent number 4,406,324
    • Issue date Sep 27, 1983
    • Hughes Tool Company
    • John L. Baugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Annulus operated test valve
    • Patent number 4,399,870
    • Issue date Aug 23, 1983
    • Hughes Tool Company
    • John L. Baugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well packer
    • Patent number 4,375,240
    • Issue date Mar 1, 1983
    • Hughes Tool Company
    • John L. Baugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well valve
    • Patent number 4,372,390
    • Issue date Feb 8, 1983
    • Hughes Tool Company
    • John L. Baugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well packer
    • Patent number 4,345,649
    • Issue date Aug 24, 1982
    • Hughes Tool Company
    • John L. Baugh
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Soft shock pressure plug
    • Patent number 4,292,988
    • Issue date Oct 6, 1981
    • Brown Oil Tools, Inc.
    • James W. Montgomery
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure actuated holding apparatus
    • Patent number 4,078,606
    • Issue date Mar 14, 1978
    • Brown Oil Tools, Inc.
    • James W. Montgomery
    • E21 - EARTH DRILLING MINING