TREA

Walter Patt

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  • Siegen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heatable calender roll
    • Patent number 7,174,949
    • Issue date Feb 13, 2007
    • Walzen Irle GmbH
    • Ludwig Hellenthal
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Induction heating for thermal rollers
    • Patent number 6,278,094
    • Issue date Aug 21, 2001
    • Walzen Irle GmbH
    • Hans-Jochen Rindfleisch
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Controllable-temperature roll
    • Patent number 5,370,177
    • Issue date Dec 6, 1994
    • Walzen Irle GmbH
    • Gustav Fey
    • F28 - HEAT EXCHANGE IN GENERAL