The tubes being an electrode for the heater

Industry

  • CPC
  • F24H3/084
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric heating device

    • Patent number 8,704,139
    • Issue date Apr 22, 2014
    • Borgwarner Beru Systems GmbH
    • Michael Edgar Luppold
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Electric Heating Device

    • Publication number 20120261403
    • Publication date Oct 18, 2012
    • Michael Edgar Luppold
    • F24 - HEATING RANGES VENTILATING