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Werner Riha

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  • Passau, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grinding machine for continuous roll grinding of gears
    • Patent number 5,119,594
    • Issue date Jun 9, 1992
    • Zahnradfabrik Friedrichshafen AG
    • Werner Riha
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Grinding disc
    • Patent number 4,854,087
    • Issue date Aug 8, 1989
    • Zahnradfabrik Friedrichshafen AG
    • Werner Riha
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR