Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649701 | Multi-level cross mining areas surface well pattern deployment method | Zhen Li, Xiaojun Yang, Peng Yang, Zhilong Fang, Jiapeng Zhao +3 more | 2023-05-16 |
| 11473427 | Physical simulation test method for detecting position of ponding goaf in excavation | Guorui Feng, Jiaqing Cui, Zhen Li, Cheng Wei Song, Xiong SHEN +3 more | 2022-10-18 |