TREA

Bruno Keller

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  • Aadorf, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device in process engineering column
    • Patent number 7,377,498
    • Issue date May 27, 2008
    • Sulzer Chemtech AG
    • Emil Fehr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Device in a process engineering column
    • Patent number 7,287,746
    • Issue date Oct 30, 2007
    • Sulzer Chemtech AG
    • Emil Fehr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Device in process engineering column
    • Publication number 20070272326
    • Publication date Nov 29, 2007
    • Emil Fehr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Device in a process engineering column
    • Publication number 20040103686
    • Publication date Jun 3, 2004
    • Emil Fehr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL