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Walter Hoffgen

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  • Korschenbroich, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling mill, especially for inclined or Diescher rolling
    • Patent number 6,546,772
    • Issue date Apr 15, 2003
    • SMS Demag Aktiengesellschaft
    • Walter Höffgen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for guiding a hollow blank
    • Patent number 5,927,122
    • Issue date Jul 27, 1999
    • Mannesmann Aktiengesellschaft
    • Walter Hoffgen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents