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  • Mainz, DE
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND SYSTEM FOR CONCENTRATING WASTE SULPHURIC ACIDS FROM NITR...
    • Publication number 20100233069
    • Publication date Sep 16, 2010
    • QVF ENGINEERING GMBH
    • Ulrich Walter
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Column tray
    • Publication number 20040183217
    • Publication date Sep 23, 2004
    • QVF ENGINEERING GMBH
    • Gottfried Dichtl
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Structured mass transfer packing with improved baffles
    • Publication number 20020167094
    • Publication date Nov 14, 2002
    • QVF ENGINEERING GMBH
    • Gottfried Dichtl
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

  • Information Trademark

    75467597 - DURAPACK
    • Serial number 75467597
    • Registration number 2317904
    • Filing date Apr 14, 1998
    • Schott Glas
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes