TREA

Michael L. Bowyer

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  • Aberdeen, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus with annulus safety valve for through tubing injection an...
    • Patent number 4,478,288
    • Issue date Oct 23, 1984
    • Baker International Corporation
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Equalizing annulus valve
    • Patent number 4,460,040
    • Issue date Jul 17, 1984
    • Baker Oil Tools, Inc.
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Adjustable safety valve
    • Patent number 4,446,922
    • Issue date May 8, 1984
    • Baker Oil Tools, Inc.
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Adjustable spacer with rotational lock
    • Patent number 4,433,725
    • Issue date Feb 28, 1984
    • Baker International Corporation
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control pressure actuated downhole hanger apparatus
    • Patent number 4,432,417
    • Issue date Feb 21, 1984
    • Baker International Corporation
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wire line no-blow tool
    • Patent number 4,427,064
    • Issue date Jan 24, 1984
    • Baker International Corporation
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Annulus safety apparatus
    • Patent number 4,423,782
    • Issue date Jan 3, 1984
    • Baker International Corporation
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Selective no-go apparatus
    • Patent number 4,406,325
    • Issue date Sep 27, 1983
    • Baker International Corporation
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Selectively bridged expansion joint
    • Patent number 4,281,858
    • Issue date Aug 4, 1981
    • Baker International Corporation
    • Michael L. Bowyer
    • E21 - EARTH DRILLING MINING