TREA

underwater

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Industry

  • CPC
  • E21B7/143
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B7/00Special methods or apparatus for drilling

Current Industry

E21B7/143underwater
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Resource collection system
    • Patent number 11,459,858
    • Issue date Oct 4, 2022
    • Akitoshi Sugimoto
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydrothermal drilling method and system
    • Patent number 6,742,603
    • Issue date Jun 1, 2004
    • ExxonMobil Research and Engineering Company
    • Richard S. Polizzotti
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Igniter for thermal lance
    • Patent number 4,915,618
    • Issue date Apr 10, 1990
    • Norabel AB
    • Roland Brandin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Underwater cutting tool
    • Patent number 4,477,060
    • Issue date Oct 16, 1984
    • Lars A. Molinder
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Exothermic cutting electrode
    • Patent number 4,437,649
    • Issue date Mar 20, 1984
    • Arcair Company
    • Perry J. Rieppel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of creating a cold water conduit to be used in ocean thermal...
    • Patent number 4,397,582
    • Issue date Aug 9, 1983
    • McDermott Incorporated
    • William L. Green
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Exothermic cutting electrode
    • Patent number 4,391,209
    • Issue date Jul 5, 1983
    • Arcair Company
    • Paul E. Moore
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Underwater cutting rod
    • Patent number 4,182,947
    • Issue date Jan 8, 1980
    • Jerome S. Brower
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Underwater cutting rod
    • Patent number 4,069,407
    • Issue date Jan 17, 1978
    • Jerome S. Brower
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3835937
    • Patent number 3,835,937
    • Issue date Sep 17, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3507230
    • Patent number 3,507,230
    • Issue date Apr 21, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2890861
    • Patent number 2,890,861
    • Issue date Jun 16, 1959
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents