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Randy Koch

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  • Grass Lake, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary internal combustion engine
    • Patent number 9,828,907
    • Issue date Nov 28, 2017
    • Randy Koch
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary internal combustion engine
    • Patent number 9,291,095
    • Issue date Mar 22, 2016
    • Randy Koch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotary Internal Combustion Engine
    • Publication number 20160160751
    • Publication date Jun 9, 2016
    • Randy Koch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Rotary Internal Combustion Engine
    • Publication number 20140261289
    • Publication date Sep 18, 2014
    • Randy Koch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS