Priority Date: 14.12.09 (JP 20090283287)

Counter-rotating axial flow fan

  • Application ID: EP10194904
  • Status: The application has been published


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This EP application has the IPC class F04 (POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.


  • 14.12.2009 - Priority Date (JP 20090283287)
  • 22.06.2011 - Publication A2 (EP2336568)
  • 29.11.2017 - Publication A3 (EP2336568)