Priority Date: 08.08.06 (US 20060463208)

Engine cast component having witness marks and method of machining same

  • Application ID: EP07800026
  • Status: No opposition filed within time limit


Employment test 11 - 50 employees
Company dna kuhnen and wacker
operating since 1976
Headquarter in Freising
active in Legal Services


This EP application has the IPC combination B22 (CASTING; POWDER METALLURGY) and F02 (COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS). We found, that General Electric Technology GmbH, Kahlhöfer Rößler Kreuels Patentanwälte PartG mbB are specialized in this combination either. For a similar patent, they might be a good choice.


  • 08.08.2006 - Priority Date (US 20060463208)
  • 21.02.2008 - Publication A2 (WO2008021814)
  • 29.04.2009 - Publication A2 (EP2052142)
  • 31.10.2012 - Publication B1 (EP2052142)

IPC Classification