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Lev Levitin

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  • Brookline, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary piston machine with an oval rotary piston guided in an oval...
    • Patent number 7,117,840
    • Issue date Oct 10, 2006
    • Boris Schapiro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary piston machine
    • Patent number 6,983,729
    • Issue date Jan 10, 2006
    • RKM Rotationskolbenmaschinen
    • Boris Schapiro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Toothing assembly
    • Patent number 6,910,397
    • Issue date Jun 28, 2005
    • Boris Schapiro
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotary piston machine with an oval rotary piston guided in an oval...
    • Publication number 20060032475
    • Publication date Feb 16, 2006
    • Boris Schapiro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary piston machine
    • Publication number 20040244762
    • Publication date Dec 9, 2004
    • Boris Schapiro
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Toothing assembly
    • Publication number 20040221667
    • Publication date Nov 11, 2004
    • Boris Schapiro
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...