Shaft for a drilling tool, drilling tool and method for manufacturing a drilling tool
- Application ID: EP13004486
- Status: █ GRANT OF PATENT INTENDED
This patent has the IPC combination B23 (MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR) and E21 (EARTH OR ROCK DRILLING; MINING) is specialized in the combination B23 and E21. We found, that Ehrner & Delmar Patentbyrå AB, Ufficio Veneto Brevetti Srl, Patenttitoimisto T. Nieminen Oy, Franke & Partner, Patentanwälte Vomberg & Schart are specialized in all of these IPC classes. For a similar patent, they might be a good choice.