TREA

Franz Koch

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  • Untermeitingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combustion system, a method of adapting the performance of the comb...
    • Patent number 6,547,554
    • Issue date Apr 15, 2003
    • Rational Aktiengesellschaft
    • Rudolf Koegl
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Heat exchanger
    • Patent number 5,915,372
    • Issue date Jun 29, 1999
    • Rational GmbH
    • Peter Wiedemann
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat exchanger
    • Patent number 5,295,457
    • Issue date Mar 22, 1994
    • Rational Grosskuechentechnik Service GmbH
    • Gerd Gumienny
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hot air heat exchanger
    • Patent number 5,199,416
    • Issue date Apr 6, 1993
    • Rational Grosskuechentechnik Service GmbH
    • Gerd Gumienny
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents