TREA

Matthew C. Roney

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  • Sullivan, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zero turn transaxle
    • Patent number 8,245,509
    • Issue date Aug 21, 2012
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 7,841,176
    • Issue date Nov 30, 2010
    • Hydro-Gear Limited Parntership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Combined check valve and pressure relief valve
    • Patent number 7,568,497
    • Issue date Aug 4, 2009
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 7,454,908
    • Issue date Nov 25, 2008
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Adjustable hydraulic motor apparatus
    • Patent number 7,412,828
    • Issue date Aug 19, 2008
    • Hydro-Gear Limited Partnership
    • Michael L. Bennett
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Combined check valve and pressure relief valve
    • Patent number 7,367,353
    • Issue date May 6, 2008
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Adjustable hydraulic motor apparatus
    • Patent number 7,308,790
    • Issue date Dec 18, 2007
    • Hydro-Gear Limited Partnership
    • Michael L. Bennett
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Combination check valve and pressure rise rate valve
    • Patent number 7,258,134
    • Issue date Aug 21, 2007
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Bypass mechanism for a hydraulic drive apparatus
    • Patent number 7,225,617
    • Issue date Jun 5, 2007
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 7,127,889
    • Issue date Oct 31, 2006
    • Hydro-Gear Limited Partnersship
    • Michael L. Bennett
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic motor apparatus
    • Patent number 7,081,061
    • Issue date Jul 25, 2006
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 7,047,736
    • Issue date May 23, 2006
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Combined check valve and pressure relief valve
    • Patent number 7,028,708
    • Issue date Apr 18, 2006
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic motor apparatus
    • Patent number 6,997,839
    • Issue date Feb 14, 2006
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 6,843,056
    • Issue date Jan 18, 2005
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic motor apparatus and vehicle
    • Patent number 6,811,510
    • Issue date Nov 2, 2004
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Zero turn transaxle
    • Patent number 6,672,058
    • Issue date Jan 6, 2004
    • Hydro-Gear Limited Partnership
    • Thomas J. Langenfeld
    • B60 - VEHICLES IN GENERAL