CONTROLLED HYDROSTATIC PRESSURE COMPLETION SYSTEM
- Application ID: EP11855658
- Status: █ NO OPPOSITION FILED WITHIN TIMELIMIT
This EP application has the IPC combination B63 (SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT) and E21 (EARTH OR ROCK DRILLING; MINING). We found, that Acapo AS, Bryn Aarflot AS, Oslo Patentkontor AS, Fluges patent AS, Onsagers and 10 others are specialized in this combination either. For a similar patent, they might be a good choice.