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David E. Snyder

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  • Longview, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas spring actuator
    • Patent number 5,140,894
    • Issue date Aug 25, 1992
    • Axelson, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic valve actuator sequencing control system and sequencing r...
    • Patent number 5,027,847
    • Issue date Jul 2, 1991
    • Axelson Incorporated
    • David E. Snyder
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Dome pressure maintaining valve
    • Patent number 4,974,631
    • Issue date Dec 4, 1990
    • Axelson, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Relay valve
    • Patent number 4,625,764
    • Issue date Dec 2, 1986
    • Axelson, Inc.
    • David E. Snyder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Heat sensitive motor valve jack
    • Patent number 4,619,434
    • Issue date Oct 28, 1986
    • Axelson, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure controller
    • Patent number 4,523,602
    • Issue date Jun 18, 1985
    • Axelson, Inc.
    • David E. Snyder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pilot valve with fusible lockout knob
    • Patent number 4,469,119
    • Issue date Sep 4, 1984
    • Axelson, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Heat sensitive gate valve
    • Patent number 4,421,134
    • Issue date Dec 20, 1983
    • Axelson, Inc.
    • Billy R. Bruton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pilot valve with indicating lockout knob
    • Patent number 4,355,658
    • Issue date Oct 26, 1982
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-contained safety system
    • Patent number 4,319,603
    • Issue date Mar 16, 1982
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow line control system
    • Patent number 4,304,250
    • Issue date Dec 8, 1981
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure relief valve
    • Patent number 4,211,250
    • Issue date Jul 8, 1980
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow line control system
    • Patent number 4,186,766
    • Issue date Feb 5, 1980
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pilot valve
    • Patent number 4,173,233
    • Issue date Nov 6, 1979
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Velocity check valve
    • Patent number 4,120,315
    • Issue date Oct 17, 1978
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve
    • Patent number 4,091,832
    • Issue date May 30, 1978
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pilot valve
    • Patent number 4,074,688
    • Issue date Feb 21, 1978
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve
    • Patent number 4,073,466
    • Issue date Feb 14, 1978
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...