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William F. Keller

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  • Lancaster, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shock actuated responsive mechanism with improved leveraged valve c...
    • Patent number 6,926,025
    • Issue date Aug 9, 2005
    • Pacific Seismic Products, Inc.
    • Richard D. Sibley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock actuated responsive mechanism with improved safety means to p...
    • Patent number 6,789,560
    • Issue date Sep 14, 2004
    • Pacific Seismic Products, Inc.
    • Richard D. Sibley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock actuated responsive mechanism for vertical fluid valve assemb...
    • Patent number 6,527,004
    • Issue date Mar 4, 2003
    • Pacific Seismic Products, Inc.
    • Richard B. Sibley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock actuated responsive mechanism for vertical fluid valve assemb...
    • Patent number 6,502,599
    • Issue date Jan 7, 2003
    • Pacific Seismic Products, Inc.
    • Richard D. Sibley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock actuated sensor for fluid valve
    • Patent number 6,394,122
    • Issue date May 28, 2002
    • Pacific Seismic Products, Inc.
    • Richard D. Sibley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical actuator
    • Patent number 5,295,403
    • Issue date Mar 22, 1994
    • Koso Internationa, Inc.
    • Richard D. Sibley
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Shock actuated valve
    • Patent number 4,915,122
    • Issue date Apr 10, 1990
    • Koso International, Inc.
    • Takashi Ikegaya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock actuated device
    • Patent number 4,782,848
    • Issue date Nov 8, 1988
    • Koso International, Inc.
    • Richard D. Sibley
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Double acting linear actuator
    • Patent number 4,721,027
    • Issue date Jan 26, 1988
    • Koso International, Inc.
    • William F. Keller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Device responsive to shock forces
    • Patent number 4,603,591
    • Issue date Aug 5, 1986
    • Koso International, Inc.
    • Richard D. Sibley
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Shock responsive device
    • Patent number 4,513,629
    • Issue date Apr 30, 1985
    • Koso International, Inc.
    • William F. Keller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock actuated unit
    • Patent number 4,503,717
    • Issue date Mar 12, 1985
    • Koso International, Inc.
    • William F. Keller
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Magnetically actuable shock responsive unit
    • Patent number 4,475,565
    • Issue date Oct 9, 1984
    • Koso International, Inc.
    • William F. Keller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Manual-hydraulic actuator
    • Patent number 4,452,125
    • Issue date Jun 5, 1984
    • Koso International, Inc.
    • William F. Keller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...