TREA

Wolfgang Kohnen

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  • Hannover, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for flanging the end of a metal tube
    • Patent number 9,089,889
    • Issue date Jul 28, 2015
    • Alcatel Lucent
    • Wolfgang Kohnen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE FOR FLANGING THE END OF A METAL TUBE
    • Publication number 20140076017
    • Publication date Mar 20, 2014
    • ALCATEL LUCENT
    • Wolfgang Kohnen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...