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Alfonso Di Stefano

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  • Grosse Pointe Park, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Engine
    • Patent number 6,205,972
    • Issue date Mar 27, 2001
    • Cypress Semiconductor Corp.
    • Alfonso Di Stefano
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston actuated wheel clutch
    • Patent number 6,070,481
    • Issue date Jun 6, 2000
    • Alfonso Di Stefano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-clutched transmission
    • Patent number 6,000,293
    • Issue date Dec 14, 1999
    • Alfonso Di Stefano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-clutched transmission system
    • Patent number 5,950,490
    • Issue date Sep 14, 1999
    • Alfonso Di Stefano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Non-wearing washer for fluid valve
    • Patent number 5,890,513
    • Issue date Apr 6, 1999
    • Alfonso Di Stefano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Siamese piston arrangement internal combustion engine
    • Patent number 5,732,668
    • Issue date Mar 31, 1998
    • Alfonso Di Stefano
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Universal joint with improved bearing and seal construction
    • Patent number 4,846,763
    • Issue date Jul 11, 1989
    • Alfonso Di Stefano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wankel-type engine with semi-circular sectional configuration for c...
    • Patent number 4,308,002
    • Issue date Dec 29, 1981
    • Alfonso Di Stefano
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine
    • Patent number 4,213,427
    • Issue date Jul 22, 1980
    • Alfonso Di Stefano
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS