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Rolf Hermes

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  • Monchengladbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Closed-frame type pipe-bending press
    • Patent number 5,390,520
    • Issue date Feb 21, 1995
    • Mannesmann Aktiengesellshaft
    • Rolf Hermes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mechanical pipe expander
    • Patent number 5,101,653
    • Issue date Apr 7, 1992
    • Mannesmann Aktiengesellschaft
    • Rolf Hermes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...