Priority Date: 08.11.13 (CN 20131575340)

Gas water heating appliance with air pressure switch

  • Application ID: EP14192218
  • Status: The patent has been granted


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This EP application has the IPC combination F23 (COMBUSTION APPARATUS; COMBUSTION PROCESSES) and F24 (HEATING; RANGES; VENTILATING). Vaillant GmbH is specialized in the combination F23 and F24. We found, that Bauer Wagner Priesmeyer, Oslo Patentkontor AS, Wolf & Wolf, Jabbusch Siekmann & Wasiljeff, Rothkopf and 13 others are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.


  • 08.11.2013 - Priority Date (CN 20131575340)
  • 03.06.2015 - Publication A1 (EP2878896)
  • 03.01.2018 - Publication B1 (EP2878896)

IPC Classification