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Otto Uhlmann

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  • Burgdorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Processing of copper tubing
    • Patent number 4,393,566
    • Issue date Jul 19, 1983
    • Kabel-und Metallwerke Gutehoffnungshutte AG.
    • Otto Uhlmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mandrel exchange in piercing mills
    • Patent number 4,368,630
    • Issue date Jan 18, 1983
    • Kabel-und Metallwerke Gutehoffnungshutte AG.
    • Otto Uhlmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of continuously making flexible, heat insulated metal tubing
    • Patent number 4,345,363
    • Issue date Aug 24, 1982
    • Kabel-und Metallwerke Gutehoffnungshutte AG.
    • Ottmar Leuchs
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL