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Patents Grantslast 30 patents

  • Information Patent Grant

    Segmented piston for internal combustion engine

    • Patent number 10,202,935
    • Issue date Feb 12, 2019
    • Hirschvogel Umformtechnik GmbH
    • Armin Ihle
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1627719

    • Patent number 1,627,719
    • Issue date May 10, 1927
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents