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Daryl L. Ard

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve, actuator and control system therefor
    • Patent number 7,300,035
    • Issue date Nov 27, 2007
    • Cameron International Corporation
    • Albert S. Davis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve, actuator and control system therefor
    • Patent number 7,021,602
    • Issue date Apr 4, 2006
    • Cooper Cameron Corporation
    • Albert S. Davis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve, actuator and control system therefor
    • Patent number 6,986,499
    • Issue date Jan 17, 2006
    • Cooper Cameron Corporation
    • Albert S. Davis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Stem seal pressure telltale
    • Patent number 6,554,024
    • Issue date Apr 29, 2003
    • Cooper Cameron Corporation
    • David R. Mefford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Valve, actuator and control system therefor
    • Publication number 20060022159
    • Publication date Feb 2, 2006
    • Cooper Cameron Corporation
    • Albert S. Davis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Valve, actuator and control system therefor
    • Publication number 20050279955
    • Publication date Dec 22, 2005
    • Cooper Cameron Corporation
    • Albert S. Davis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VALVE, ACTUATOR AND CONTROL SYSTEM THEREFOR
    • Publication number 20050218359
    • Publication date Oct 6, 2005
    • Albert S. Davis
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Stem seal pressure telltale
    • Publication number 20020096218
    • Publication date Jul 25, 2002
    • Cooper Cameron Corporation;
    • David R. Mefford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...