TREA

David R. Meinhold

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  • Metamora, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic solenoid control valve calibration
    • Patent number 5,762,475
    • Issue date Jun 9, 1998
    • Caterpillar Inc.
    • Jim B. Maddock
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cold oil protection circuit for a hydraulic system
    • Patent number 5,564,274
    • Issue date Oct 15, 1996
    • Caterpillar Inc.
    • Lee R. Denbraber
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Automatic lubrication control
    • Patent number 5,381,874
    • Issue date Jan 17, 1995
    • Caterpillar Inc.
    • John M. Hadank
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...