TREA

James E. Hansen

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  • Bakersfield, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automated oil rig servicing system
    • Patent number 5,988,299
    • Issue date Nov 23, 1999
    • James Hansen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Automated oil rig servicing system
    • Patent number 5,711,382
    • Issue date Jan 27, 1998
    • James Hansen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Carousel well rig
    • Patent number 5,174,389
    • Issue date Dec 29, 1992
    • James E. Hansen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well servicing rig
    • Patent number 4,591,006
    • Issue date May 27, 1986
    • Chevron Research Company
    • Stanley O. Hutchison
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bottom hole oil well pump
    • Patent number 4,350,478
    • Issue date Sep 21, 1982
    • Paul V. Oldershaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...