TREA

Ralph E. Denning

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  • Washington, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Transmission-differential combination
    • Patent number 4,293,050
    • Issue date Oct 6, 1981
    • Caterpillar Tractor Co.
    • Alexander Goloff
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Unlocking differential
    • Patent number 4,249,429
    • Issue date Feb 10, 1981
    • Caterpillar Tractor Co.
    • Ralph E. Denning
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Friction drive contact zone
    • Patent number 4,161,890
    • Issue date Jul 24, 1979
    • Caterpillar Tractor Co.
    • Alexander Goloff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...