TREA

David W. Swaim

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  • Coal Valley, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low leak boom control check valve including an insert
    • Patent number 6,848,473
    • Issue date Feb 1, 2005
    • CNH America LLC
    • George T. Fiala
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Low leak boom control check valve
    • Patent number 6,779,542
    • Issue date Aug 24, 2004
    • Case Corporation
    • George T. Fiala
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system for suppressing oscillation in heavy equipment
    • Patent number 6,647,721
    • Issue date Nov 18, 2003
    • Case, LLC
    • Dennis Heyne
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Low leak boom control check valve
    • Patent number 6,581,639
    • Issue date Jun 24, 2003
    • Case Corporation
    • George T. Fiala
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Spool notch geometry for hydraulic spool valve
    • Patent number 6,450,194
    • Issue date Sep 17, 2002
    • Case Corporation
    • Jeffrey B. Wasson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable metering fluid control valve
    • Patent number 6,397,890
    • Issue date Jun 4, 2002
    • Case Corp.
    • Roger Mickelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve unit
    • Patent number 4,716,933
    • Issue date Jan 5, 1988
    • J. I. Case Company
    • Guy T. Stoever
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents