Priority Date: 07.11.11 (DE 20111085872)

FREQUENCY CONVERTER AND SPRING ELEMENT THEREFOR

  • Application ID: EP12783988
  • Status: PATENT GRANTED

Attorney

Employment test 11 - 50 employees
Company dna ruff wilhelm beier dauster
operating since 2001
Headquarter in Stuttgart
active in Legal Services and IP Consulting

Specialization

This patent has the IPC combination H01 (BASIC ELECTRIC ELEMENTS) and H05 (ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR) Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner mbB is specialized in the combination H01 and H05. We found, that Riechelmann & Carlsohn GbR, Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte, Grünecker Patent- und Rechtsanwälte PartG mbB, Novagraaf, Santarelli and 41 others are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.

Timeline

  • 07.11.2011 - Priority Date (DE 20111085872)
  • 16.05.2013 - Publication A2 (WO2013068391)
  • 17.09.2014 - Publication A2 (EP2777373)
  • 15.03.2017 - Publication B1 (EP2777373)

IPC Classification