Valve stem having conditioned lubricating surfaces
- Application ID: EP14171810
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
This EP application has the IPC class F16 (ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL). Wablat Lange Karthaus is specialized in F16. 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.
- 11.05.2010 - Priority Date (US 20100777689)
- 19.11.2014 - Publication A1 (EP2803890)