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Norbert Felder

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  • Hennef, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tube connecting means
    • Patent number 5,893,591
    • Issue date Apr 13, 1999
    • Walterscheid Rohrverbindungstechnik GmbH
    • Rolf Ebel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONNECTING ARRANGEMENT FOR A PIPE UNION
    • Publication number 20100127493
    • Publication date May 27, 2010
    • Norbert Felder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CONNECTING ARRANGEMENT FOR A PIPE UNION
    • Publication number 20100117352
    • Publication date May 13, 2010
    • WEIDMANN LTD.
    • Norbert Felder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...