TREA

James H. Cobbs

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rock saw
    • Patent number 5,295,735
    • Issue date Mar 22, 1994
    • David C. Cobbs
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Geophone implantation system
    • Patent number 5,206,840
    • Issue date Apr 27, 1993
    • David C. Cobbs
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Rock cutting tool
    • Patent number 4,907,664
    • Issue date Mar 13, 1990
    • James H. Cobbs
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of installing a liner in a large diameter borehole
    • Patent number 4,191,492
    • Issue date Mar 4, 1980
    • James H. Cobbs
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Liner for large diameter borehole
    • Patent number 4,178,110
    • Issue date Dec 11, 1979
    • James H. Cobbs
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Mine enhanced hydrocarbon recovery technique
    • Patent number 4,165,903
    • Issue date Aug 28, 1979
    • James H. Cobbs
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill pipe joint
    • Patent number 4,099,745
    • Issue date Jul 11, 1978
    • James H. Cobbs
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Technique for lining shaft
    • Patent number 3,958,637
    • Issue date May 25, 1976
    • The United States of America as represented by the Secretary of the Interior
    • James H. Cobbs
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling system using weight of mud
    • Patent number 3,958,650
    • Issue date May 25, 1976
    • The United States of America as represented by the Secretary of the Interior
    • James H. Cobbs
    • E21 - EARTH DRILLING MINING