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Oliver Freitag

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  • Kirchheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Evaporator foil stack
    • Patent number 6,536,515
    • Issue date Mar 25, 2003
    • Ballard Power Systems AG
    • Oliver Freitag
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Lamina stack for a two-pass evaporator
    • Patent number 6,435,270
    • Issue date Aug 20, 2002
    • XCELLSIS GmbH
    • Oliver Freitag
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Lamina stack for a two-pass evaporator
    • Publication number 20010054498
    • Publication date Dec 27, 2001
    • Oliver Freitag
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Evaporator foil stack
    • Publication number 20010045274
    • Publication date Nov 29, 2001
    • Oliver Freitag
    • F28 - HEAT EXCHANGE IN GENERAL