Method and device for introducing a connection hole into a wall of a fermenter container for a biogas assembly
- Application ID: EP13005732
- Status: █ GRANT OF PATENT INTENDED
This patent has the IPC combination B23 (MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR) and B28 (WORKING CEMENT, CLAY, OR STONE) is specialized in the combination B23 and B28. We found, that advotec., Patentbüro Paul Rosenich AG, Lindner Blaumeier Patent- und Rechtsanwälte Partnerschaftsgesellschaft mbB, NV Bekaert SA, Con Lor S.p.A. and 1 other are specialized in all of these IPC classes. For a similar patent, they might be a good choice.