Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11879336 | Monitoring device and method for dynamic development of overburden mining separated bed | Wenping Li, Qiqing Wang, Jianghui He, Wei Qiao, Liangning Li +1 more | 2024-01-23 |
| 11060402 | Method for classifying phreatic leakage disaster level in shallow coal seam mining | Wenping Li, Zhi YANG, Qiqing Wang, Kaifang Fan | 2021-07-13 |
| D411114 | Modern compact disk clock | IChen Mei | 1999-06-22 |