TREA

Wolfgang Schwab

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  • Duisburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shaft preheater
    • Patent number 7,195,480
    • Issue date Mar 27, 2007
    • Polysius AG
    • Uwe Schuh
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Shaft pre-heater
    • Patent number 6,918,760
    • Issue date Jul 19, 2005
    • Polysius AG
    • Norbert Patzelt
    • F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Shaft preheater
    • Publication number 20050098071
    • Publication date May 12, 2005
    • Uwe Schuh
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Application

    Shaft pre-heater
    • Publication number 20040099658
    • Publication date May 27, 2004
    • Norbert Patzelt
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES