Rotary steerable system for vertical drilling
- Application ID: EP14157833
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Marks & Clerk is specialized in E21. Marks & Clerk 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.