TREA

David George Halm

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  • Haverhill, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve shaft apparatus for use with rotary valves
    • Patent number 9,103,453
    • Issue date Aug 11, 2015
    • Fisher Controls International LLC
    • David Anthony Arnold
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Actuator having an override apparatus
    • Patent number 8,794,589
    • Issue date Aug 5, 2014
    • Fisher Controls International, LLC
    • David Anthony Arnold
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve shaft apparatus for use with rotary valves
    • Patent number 8,662,099
    • Issue date Mar 4, 2014
    • Fisher Controls International, LLC
    • David Anthony Arnold
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Biasing apparatus for use with actuators
    • Patent number 8,544,820
    • Issue date Oct 1, 2013
    • Fisher Controls International LLC
    • Douglas P. Gethmann
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Three-way valve with flow diverter
    • Patent number 8,122,908
    • Issue date Feb 28, 2012
    • Fisher Controls International LLC
    • William E. Wears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pivot and bearing assembly for a manual valve operator
    • Patent number 7,410,144
    • Issue date Aug 12, 2008
    • Fisher Controls International LLC
    • Douglas Paul Gethmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Skirt guided globe valve
    • Patent number 7,028,712
    • Issue date Apr 18, 2006
    • Fisher Controls International LLC
    • William Everett Wears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE SHAFT APPARATUS FOR USE WITH ROTARY VALVES
    • Publication number 20140131608
    • Publication date May 15, 2014
    • FISHER CONTROLS INTERNATIONAL, LLC
    • David Anthony Arnold
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    VALVE SHAFT APPARATUS FOR USE WITH ROTARY VALVES
    • Publication number 20110260086
    • Publication date Oct 27, 2011
    • David Anthony Arnold
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BIASING APPARATUS FOR USE WITH ACTUATORS
    • Publication number 20100327207
    • Publication date Dec 30, 2010
    • Douglas P. Gethmann
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ACTUATOR HAVING AN OVERRIDE APPARATUS
    • Publication number 20100187454
    • Publication date Jul 29, 2010
    • David Anthony Arnold
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Three-Way Valve With Flow Diverter
    • Publication number 20090205729
    • Publication date Aug 20, 2009
    • William E. Wears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pivot and bearing assembly for a manual valve operator
    • Publication number 20060266972
    • Publication date Nov 30, 2006
    • Douglas P. Gethmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Improved Skirt Guided Globe Valve
    • Publication number 20060175564
    • Publication date Aug 10, 2006
    • William Everett Wears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Instrument mounting apparatus for a fluid control valve
    • Publication number 20040155210
    • Publication date Aug 12, 2004
    • William E. Wears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Skirt guided globe valve
    • Publication number 20040011412
    • Publication date Jan 22, 2004
    • William Everett Wears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...