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Manfred Hien

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  • Monchengladbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disengageable universal shaft for rolling mill drives
    • Patent number 5,651,440
    • Issue date Jul 29, 1997
    • Mannesmann Aktiengesellschaft
    • Manfred Hien
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Two-high cross rolling mill with guide disks
    • Patent number 5,479,805
    • Issue date Jan 2, 1996
    • Mannesmann Aktiengesellschaft
    • Paul Koenen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mandrel rod holding device
    • Patent number 4,724,697
    • Issue date Feb 16, 1988
    • Mannesmann AG
    • Manfred Hien
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...