Priority Date: 11.11.08 (US 20080113326P)

Method for lapping, grinding, honing and polishing seal surfaces on inner diameter of semi-blind cavity in valve body

  • Application ID: EP09175571
  • Status: The application is deemed to be withdrawn


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This EP application has the IPC class B24 (GRINDING; POLISHING). GE International Inc. is specialised in B24 (GRINDING; POLISHING). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.


  • 11.11.2008 - Priority Date (US 20080113326P)
  • 12.05.2010 - Publication A1 (EP2184131)