Priority Date: 14.10.11 (JP 20110226621)

Exhaust gas control system and exhaust gas control method for internal combustion engine

  • Application ID: EP12187087


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This EP application has the IPC combination F01 (MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES) and F02 (COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS). We found, that Kuhnen & Wacker, Dehns Ltd, Gevers, Ankara Patent Bureau Ltd, Martin Reuther Patentanwalt and 44 others are specialized in this combination either. For a similar patent, they might be a good choice.


  • 14.10.2011 - Priority Date (JP 20110226621)
  • 17.04.2013 - Publication A2 (EP2581579)
  • 22.10.2014 - Publication A3 (EP2581579)
  • 22.02.2017 - Publication B1 (EP2581579)

IPC Classification