Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390884 | Textured surface of oil and gas equipment and machining method thereof | Lin Zhong, Qingyou Liu, Gang Wei, Xia He, Linyan Chen +6 more | 2025-08-19 |
| 12312934 | Wireless remote control method and system for controllable rotary sliding guiding drilling | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Jie Zeng, Xu Luo +2 more | 2025-05-27 |
| 12275083 | Integrated machine for automatic cutting, polishing, stacking and unloading of substrates | Yang Tang, Shang Xiang, Li Ma, Xiaoping Hu, Xuebin Hao +2 more | 2025-04-15 |
| 12264544 | Downhole traction system | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Min Wan, Xuecheng Dong +3 more | 2025-04-01 |