Pitch drive system with a switching device controlled back-up power supply and method thereof

  • Application ID: EP13382279


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This EP application has the IPC class F03 (MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR) and H02 (GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER). We found, that Bockhorni & Kollegen, Eisenführ Speiser & Partner Patentanwälte Rechtsanwälte PartGmbB, Glawe Delfs Moll Partnerschaft mbB, Reble & Klose, Guardian IP Consulting I/S and 13 others are specialized in this combination either. For a similar patent, they might be a good choice.


  • 07.01.2015 - Publication A1 (EP2821640)
  • 21.12.2016 - Publication B1 (EP2821640)

IPC Classification