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 EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING) and G01 (MEASURING; TESTING). We found, that Coller IP Management Ltd, Zacco Denmark A/S, K2 IP Ltd, Bryn Aarflot AS, Patentanwälte Bungartz Tersteegen and 17 others are specialized in this combination either. For a similar patent, they might be a good choice.