Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416335 | Double-row one-way bearing | Wei Li, He Zhu | 2025-09-16 |
| 12398640 | Method for calculating wellbore friction resistance of foam drainage gas production well | Chengcheng Luo, Pengbo Wu, Yonghui Liu, Yu Shi, Yang Liu +3 more | 2025-08-26 |
| 12305706 | Arc-shaped segment for assembling a segmented cage, cage and bearing | Xue Ting Ying, Meng Zhang, He Zhu | 2025-05-20 |