TREA

William C. Shelbourn

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  • Bismark, ND, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combination relief valve and injection fitting
    • Patent number 9,010,364
    • Issue date Apr 21, 2015
    • Clark Equipment Company
    • Thomas J. Tokach
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two stage spool centering mechanism
    • Patent number 7,631,591
    • Issue date Dec 15, 2009
    • Clark Equipment Company
    • William C. Shelbourn
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid circuit with multiple flows from a series valve
    • Patent number 7,481,052
    • Issue date Jan 27, 2009
    • Clark Equipment Company
    • Adam R. Mauch
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Two component seal
    • Patent number 7,367,739
    • Issue date May 6, 2008
    • Clark Equipment Company
    • Knute K. Brock
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for stroke position sensor for hydraulic cylinder
    • Patent number 7,059,238
    • Issue date Jun 13, 2006
    • Clark Equipment Company
    • Larry E. Albright
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic interblock system
    • Patent number 5,577,876
    • Issue date Nov 26, 1996
    • Clark Equipment Company
    • Thomas Q. Haeder
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Auxiliary coupler pressure relief hydraulic system with pump drive...
    • Patent number 4,881,371
    • Issue date Nov 21, 1989
    • Clark Equipment Company
    • Thomas Q. Haeder
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Valve detent
    • Patent number 4,522,373
    • Issue date Jun 11, 1985
    • Clark Equipment Company
    • William C. Shelbourn
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    MODULAR TRACK TENSIONING SYSTEM
    • Publication number 20090273233
    • Publication date Nov 5, 2009
    • CLARK EQUIPMENT COMPANY
    • Thomas J. Tokach
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    COMBINATION RELIEF VALVE AND INJECTION FITTING
    • Publication number 20090038693
    • Publication date Feb 12, 2009
    • Clark Equipment Company
    • Thomas J. Tokach
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TWO COMPONENT PIN SEAL
    • Publication number 20080237992
    • Publication date Oct 2, 2008
    • CLARK EQUIPMENT COMPANY
    • Knute K. Brock
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TWO STAGE SPOOL CENTERING MECHANISM
    • Publication number 20080116403
    • Publication date May 22, 2008
    • William C. Shelbourn
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Fluid circuit with multiple flows from a series valve
    • Publication number 20070240413
    • Publication date Oct 18, 2007
    • Clark Equipment Company
    • Adam R. Mauch
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Two component seal
    • Publication number 20060022412
    • Publication date Feb 2, 2006
    • Clark Equipment Company
    • Knute K. Brock
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method and apparatus for stroke position sensor for hydraulic cylinder
    • Publication number 20050081710
    • Publication date Apr 21, 2005
    • Clark Equipment Company
    • Larry E. Albright
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Telescopic hydraulic cylinder
    • Publication number 20040148822
    • Publication date Aug 5, 2004
    • Larry E. Albright
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING