TREA

Jurgen WIED

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  • Bad Laasphe, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Firestop collar
    • Patent number 8,672,275
    • Issue date Mar 18, 2014
    • J. van Walraven Holding B.V.
    • Jan van Walraven
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Firestop collar
    • Patent number 8,336,832
    • Issue date Dec 25, 2012
    • J. van Walraven Holding B.V.
    • Jan van Walraven
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    FIRESTOP COLLAR
    • Publication number 20130061545
    • Publication date Mar 14, 2013
    • ROLF KUHN GMBH
    • Jan VAN WALRAVEN
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER