Shaft for a drilling tool, drilling tool and method for manufacturing a drilling tool
- Application ID: EP13004486
- Status: █ GRANT OF PATENT INTENDED
This EP application has the IPC combination B23 (MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR) and E21 (EARTH OR ROCK DRILLING; MINING). We found, that Hansen und Heeschen, Ehrner & Delmar Patentbyrå AB, Sandvik Intellectual Property AB, Pfister & Pfister, Ufficio Veneto Brevetti Srl and 5 others are specialized in this combination either. For a similar patent, they might be a good choice.