Priority Date: 22.12.11 (JP 20110281752)


  • Application ID: EP12860533
  • Status: The patent has been granted


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This EP application has the IPC combination F04 (POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS) and F16 (ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL). Jostarndt Patentanwalts AG is specialized in the combination F04 and F16. We found, that Geyer Fehners & Partner mbB, Dr. Graf & Partner AG, Dr. Solf & Zapf, Patentanwälte Dr. Knoblauch PartGmbB, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR and 39 others are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.


  • 22.12.2011 - Priority Date (JP 20110281752)
  • 27.06.2013 - Publication A1 (WO2013094315)
  • 29.10.2014 - Publication A1 (EP2796738)
  • 20.06.2018 - Publication B1 (EP2796738)