TREA

Gilbert Christen

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  • Lyon, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for carring out a gas/liquid heat-exchange
    • Patent number 4,098,852
    • Issue date Jul 4, 1978
    • Rhone-Poulenc, S.A.
    • Gilbert Christen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hollow fibres
    • Patent number 4,056,467
    • Issue date Nov 1, 1977
    • Rhone-Poulenc S. A.
    • Gilbert Christen
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING