having the shape of an internal gear

Industry

  • CPC
  • B23F21/286
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool for cutting teeth or for dressing of a fine machining tool hav...

    • Patent number 11,992,888
    • Issue date May 28, 2024
    • Präwema Antriebstechnik GmbH
    • Jörg Schieke
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3147535

    • Patent number 3,147,535
    • Issue date Sep 8, 1964
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2280045

    • Patent number 2,280,045
    • Issue date Apr 14, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2228965

    • Patent number 2,228,965
    • Issue date Jan 14, 1941
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2228968

    • Patent number 2,228,968
    • Issue date Jan 14, 1941
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents