Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312934 | Wireless remote control method and system for controllable rotary sliding guiding drilling | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Guorong Wang, Jie Zeng +2 more | 2025-05-27 |
| 12264544 | Downhole traction system | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Min Wan, Guorong Wang +3 more | 2025-04-01 |
| 12110794 | Two-stage reverse-torque bent screw orientation tool | Qingyou Liu, Jianguo Zhao, Guorong Wang, Haiyan ZHU, Xingming Wang +3 more | 2024-10-08 |
| 8238078 | Valve metal particles uniformly containing nitrogen and the method for preparing the same, the valve metal green pellets and sintered pellets, and the electrolytic capacitor anodes | Bin Li, Luntao Pan, Aiguo Zheng, Yuezhong Ma, Yuewei Cheng +3 more | 2012-08-07 |