Priority Date: 13.09.07 (US 20070972049P)

Multi-elastomer seal

  • Application ID: EP13001039


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This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING) and F16 (ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL). N.J. Akers & Co is specialized in the combination E21 and F16. We found, that König Szynka Tilmann von Renesse Patentanwälte Partnerschaft mbB, Acapo AS, K2 IP Ltd, Patentanwälte Bungartz Tersteegen, Bungartz Christophersen Partnerschaft mbB and 27 others are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.


  • 13.09.2007 - Priority Date (US 20070972049P)
  • 05.06.2013 - Publication A1 (EP2600040)
  • 01.02.2017 - Publication B1 (EP2600040)