free-piston engines

Patents Grantslast 30 patents

  • Information Patent Grant

    Modular engine units including turbine engine with combustion media...

    • Patent number 8,453,428
    • Issue date Jun 4, 2013
    • Ronald August Kinde
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Combining a series of more efficient engines into a unit, or modula...

    • Patent number 7,937,945
    • Issue date May 10, 2011
    • Ronald August Kinde, Sr.
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    2925072

    • Patent number 2,925,072
    • Issue date Feb 16, 1960
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2920444

    • Patent number 2,920,444
    • Issue date Jan 12, 1960
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2439473

    • Patent number 2,439,473
    • Issue date Apr 13, 1948
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents