TREA

Frank G. Bercha

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  • Cochrane Alta. Tolowo, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drillship canopy
    • Patent number 4,455,958
    • Issue date Jun 26, 1984
    • Dome Petroleum Limited
    • J. Cam O'Rourke
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Skirt construction
    • Patent number 4,328,760
    • Issue date May 11, 1982
    • Dome Petroleum Limited
    • J. Cam O'Rourke
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Warm air canopy system for providing ice-free zone
    • Patent number 4,323,322
    • Issue date Apr 6, 1982
    • Dome Petroleum Limited
    • J. Cam O'Rourke
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Barge construction for warm air canopy ice-free zone
    • Patent number 4,270,476
    • Issue date Jun 2, 1981
    • Dome Petroleum Limited
    • J. Cam O'Rourke
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT