METHOD FOR TESTING THE TIGHTNESS OF THE ACCESS WELL OF AN UNDERGROUND CAVITY AND DEVICE FOR DECREASING CONVECTION AND DIFFUSION FLOW
- Application ID: EP13712161
- Status: █ GRANT OF PATENT INTENDED
This patent has the IPC combination E21 (EARTH OR ROCK DRILLING; MINING) and G01 (MEASURING; TESTING) is specialized in the combination E21 and G01. We found, that Coller IP Management Ltd, Zacco Denmark A/S, K2 IP Ltd, Bryn Aarflot AS, Patentanwälte Bungartz Tersteegen and 20 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.