Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421820 | Sealed coring device for underground coalbed | Sheng XUE, Lefan Wang, Xiaoliang Zheng, Ping Liu, Chen Shen +3 more | 2025-09-23 |
| 11384282 | One-component type multi-functional fracturing fluid additive and process for preparing the same | Xiaojuan Lai, Meiling Fan, Lei Wang, Xingen Feng, Peng Li +1 more | 2022-07-12 |