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Ronald C. Burr

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic device having a selectively variable orifice
    • Patent number 7,201,360
    • Issue date Apr 10, 2007
    • Fisher Controls International, LLC
    • Barry Gaarder
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control valve flow adjustment device
    • Patent number 6,905,108
    • Issue date Jun 14, 2005
    • Fisher Controls International LLC
    • Randy J. Hall
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Replaceable valve seat ring with enhanced flow design
    • Patent number 6,889,702
    • Issue date May 10, 2005
    • Fisher Controls International LLC
    • Randy J. Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable port valve plug
    • Patent number 6,769,666
    • Issue date Aug 3, 2004
    • Fisher Controls International LLC
    • Randy J. Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Replaceable valve seat ring with enhanced flow design
    • Patent number 6,698,449
    • Issue date Mar 2, 2004
    • Fisher Controls International LLC
    • Randy J. Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Control valve pressure bleed inspection port
    • Patent number 6,695,000
    • Issue date Feb 24, 2004
    • Fisher Controls International LLC
    • Randy Jerold Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PNEUMATIC DEVICE HAVING A SELECTIVELY VARIABLE ORIFICE
    • Publication number 20060180215
    • Publication date Aug 17, 2006
    • FISHER CONTROLS INTERNATIONAL LLC
    • Barry L. Gaarder
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Replaceable valve seat ring with enhanced flow design
    • Publication number 20040168721
    • Publication date Sep 2, 2004
    • Fisher Controls International LLC
    • Randy J. Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Replaceable valve seat ring with enhanced flow design
    • Publication number 20030089398
    • Publication date May 15, 2003
    • Randy J. Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Control valve flow adjustment device
    • Publication number 20030089867
    • Publication date May 15, 2003
    • Randy J. Hall
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Variable port valve plug
    • Publication number 20030089869
    • Publication date May 15, 2003
    • Randy J. Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Control valve pressure bleed inspection port
    • Publication number 20030089408
    • Publication date May 15, 2003
    • Randy Jerold Hall
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...