DRILL BIT WITH AN EXCHANGEABLE CUTTING PORTION
- Application ID: EP12812268
- Status: █ GRANT OF PATENT INTENDED
This EP application has the IPC class B23 (MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR) and B28 (WORKING CEMENT, CLAY, OR STONE). HILTI AG is specialized in the combination B23 and B28. We found, that advotec., Patentbüro Paul Rosenich AG, Kehl Ascherl Liebhoff & Ettmayr, NV Bekaert SA, Con Lor S.p.A. are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.