working and pumping pistons having differing movements

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    Two-stroke internal combustion engine with crankcase lubrication sy...

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    Internal combustion engine

    • Patent number 7,578,267
    • Issue date Aug 25, 2009
    • Advanced Propulsion Technologies, Inc.
    • Peter Hofbauer
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  • Information Patent Grant

    Internal combustion engine

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    • Advanced Propulsion Technologies, Inc.
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    Tandem-differential-piston cursive-constant-volume internal-combust...

    • Patent number 5,509,382
    • Issue date Apr 23, 1996
    • Ronald D. Noland
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    Internal combustion engine

    • Patent number 4,516,539
    • Issue date May 14, 1985
    • John F. Andreen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    Internal combustion engine

    • Patent number 3,996,903
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    • Ferenc Cseh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3203263

    • Patent number 3,203,263
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    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

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