Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968905 | Distributed control system | Shunfeng Zheng, Matthew Rouse, Weibin Lu, Kent C. Opel | 2005-11-29 |
| 6915848 | Universal downhole tool control apparatus and methods | Hubertus V. Thomeer, Zheng Rong Xu, Michael H. Kenison | 2005-07-12 |