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Werner Erfgen

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  • Melsbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Can lid
    • Patent number 6,601,727
    • Issue date Aug 5, 2003
    • Rasselstein Hoesch GmbH
    • Rainer Sauer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method for the manufacture of a ring part out of sheet metal for a...
    • Patent number 6,554,556
    • Issue date Apr 29, 2003
    • Rasselstein Hoesch GmbH
    • Werner Erfgen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Easily-opened can lid
    • Patent number 6,036,043
    • Issue date Mar 14, 2000
    • Rasselstein Hoesch GmbH
    • Werner Erfgen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method of manufacturing an easily-opened can lid, and easily-opened...
    • Patent number 5,913,651
    • Issue date Jun 22, 1999
    • Rasselstein Hoesch GmbH
    • Werner Erfgen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Can lid
    • Publication number 20020053571
    • Publication date May 9, 2002
    • Rainer Sauer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Method for the manufacture of a ring part out of sheet metal for a...
    • Publication number 20010041115
    • Publication date Nov 15, 2001
    • Werner Erfgen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...