ROCK DRILLING MACHINE AND USE THEREOF FOR HINDERING OCCURRENCE AND SPREADING OF CAVITATION BUBBLES
- Application ID: EP11763141
- Status: █ The patent has been granted
This EP application has the IPC class B25 (HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS) and E21 (EARTH OR ROCK DRILLING; MINING). We found, that Ehrner & Delmar Patentbyrå AB, Sandvik Mining and Construction Oy, Patentanwälte Vomberg & Schart, Patentanwalt Dr. Wolfgang Hellmich are specialized in this combination either. For a similar patent, they might be a good choice.