FINE CONTROL OF CASING PRESSURE
- Application ID: EP12857683
- Status: █ EXAMINATION IN PROGRESS
This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Schlumberger Cambridge Research Ltd and Murgitroyd & Company are specialized in E21. Murgitroyd & Company is specialised in E21 (EARTH OR ROCK DRILLING; MINING). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.