Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188198 | Method for constructing fixed monitoring pile for mining area with high phreatic water level | Hao Li, Shikai An, Biwu Han, Hongxing Guo, Yanfei Xu +3 more | 2025-01-07 |
| 12146410 | Method for dewatering coal mine goaf by crossing neighboring goaf | Bing Li, Yingui Gao, Hongwei Wang, Chenglin Chang, Shaobo Yin +3 more | 2024-11-19 |
| 12044531 | Level instrument and method for surveying mining subsidence zone in coal mining area | Bo Xue, Shikai An, Yanfei Xu, Haiyan Cheng, Yanqing Li +4 more | 2024-07-23 |