Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385144 | Anti-corrosion wear-resistant drill pipe and preparation method thereof | Dezhi Zeng, Chengxiu Yu, Qinying Wang, Hanwen Zhang, Yuchen Xi +2 more | 2025-08-12 |
| 12325826 | High-flow-conductivity proppant and preparation method thereof | Dezhi Zeng, Chengxiu Yu, Hanwen Zhang, Xi Wang, Chunyan Zheng +3 more | 2025-06-10 |