TREA

Roy R. Dare

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve
    • Patent number 4,552,335
    • Issue date Nov 12, 1985
    • Vapor Corporation
    • William H. Alexander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fire safe plug valve
    • Patent number 4,449,695
    • Issue date May 22, 1984
    • Vapor Corporaion
    • William H. Alexander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expanding gate valve having mechanically secured seats
    • Patent number 4,258,743
    • Issue date Mar 31, 1981
    • ACF Industries, Incorporated
    • Roy R. Dare
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve for shearing workover lines to permit shutting in of a well
    • Patent number 4,215,749
    • Issue date Aug 5, 1980
    • ACF Industries, Incorporated
    • Roy R. Dare
    • E21 - EARTH DRILLING MINING