Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410675 | Seal assembly, and system | Zhihui Zhang, Guijun Deng, Jason M. Harper | 2025-09-09 |
| 11851967 | Disintegrable downhole tools and method of use | Zhihui Zhang | 2023-12-26 |