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Rolland D. Giampa

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  • Clarkston, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Engine oil system with variable displacement pump
    • Patent number 6,763,797
    • Issue date Jul 20, 2004
    • General Motors Corporation
    • David R. Staley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Engine oil pump and balance shaft module
    • Patent number 6,601,557
    • Issue date Aug 5, 2003
    • General Motors Corporation
    • Alan William Hayman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fuel tank venting
    • Patent number 4,798,306
    • Issue date Jan 17, 1989
    • General Motors Corporation
    • Roy A. Giacomazzi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Variable valve lift/timing mechanism
    • Patent number 4,774,913
    • Issue date Oct 4, 1988
    • General Motors Corporation
    • Rolland D. Giampa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents