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Werner Demny

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  • Dusseldorf-Oberkassel, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling mill for the stretch-reducing of tubes
    • Patent number 4,430,875
    • Issue date Feb 14, 1984
    • Kocks Technik GmbH & Co.
    • Werner Demny
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling lines
    • Patent number 4,408,476
    • Issue date Oct 11, 1983
    • Kocks Technik GmbH & Co.
    • Hans Brauer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mills and methods of rolling
    • Patent number 4,391,117
    • Issue date Jul 5, 1983
    • Friedrich Kocks GmbH & Company
    • Werner Demny
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Methods of rolling wire rods or bars
    • Patent number 4,382,376
    • Issue date May 10, 1983
    • Friedrich Kocks GmbH & Co.
    • Hans Brauer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling blocks
    • Patent number 4,347,725
    • Issue date Sep 7, 1982
    • Friedrich Kocks GmbH & Co.
    • Werner Demny
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill roll and method of rolling
    • Patent number 4,311,033
    • Issue date Jan 19, 1982
    • Kocks Technik GmbH & Co.
    • Werner Demny
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Methods and apparatus for rolling bars, rods and wire
    • Patent number 4,306,440
    • Issue date Dec 22, 1981
    • Friedrich Kocks GmbH & Co.
    • Werner Demny
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mills
    • Patent number 4,191,041
    • Issue date Mar 4, 1980
    • Friedrich Kocks GmbH & Company
    • Hans Brauer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...