Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326087 | Fire-prevention and extinguishing material for plugging air leakage in underground barrier pillar of coal mine and use method thereof | Quanlin Shi, Botao Qin, Xu Shao, Zujie Ma, Gang Han +2 more | 2025-06-10 |
| 11718792 | Fly ash-based environmentally-friendly hydrogel with high water retention for preventing and controlling spontaneous combustion of coal in mine and preparation method thereof | Botao Qin, Quanlin Shi, Shuang Zhao, Yizhen Xu, Xu Shao +1 more | 2023-08-08 |