METHOD OF LIMITING PERMEABILITY OF A MATRIX TO LIMIT LIQUID AND GAS INFLOW
- Application ID: EP13794619
- Status: █ GRANT OF PATENT INTENDED
This patent has the IPC combination E02 (HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING) and E21 (EARTH OR ROCK DRILLING; MINING) is specialized in the combination E02 and E21. We found, that Acapo AS, Bryn Aarflot AS, Weber & Heim, Hansen und Heeschen, Ehrner & Delmar Patentbyrå AB and 7 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.