TREA

Fred M. Winn

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Suction valve for high pressure slurry pump
    • Patent number 5,230,363
    • Issue date Jul 27, 1993
    • Dowell Schlumberger Incorporated
    • Fred M. Winn
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Packing assembly for use in a plunger bore
    • Patent number 4,572,519
    • Issue date Feb 25, 1986
    • Dowell Schlumberger Incorporated
    • Donald C. Cameron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ball injector
    • Patent number 4,111,334
    • Issue date Sep 5, 1978
    • The Dow Chemical Company
    • Fred M. Winn
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL