Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312958 | Method of segmented grouting for repairing aquifers in mining area | Yifan Zeng, Weihong Yang, Qiang Wu, Kai Pang, Xuan Xiao +1 more | 2025-05-27 |
| 12196076 | Grouting and water blocking method for directional hole with large offset in hard rock stratum | Yifan Zeng, Weihong Yang, Qiang Wu, Xuejun Wang, Kai Pang +2 more | 2025-01-14 |