Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11746654 | Kind of no-pillar and gob-side entry retaining mining and construction method without the mining area division | Qihua Ma, Zhongcheng Qin, Jianguo Ning, Zhongping Guo, Zhijie WEN | 2023-09-05 |
| 10443380 | Asymmetric support structure of entry driven along gob-side under unstable roof in deep mines and construction method thereof | Chunyuan Jing, Shengming Niu, Deli Fan, Chuanwei Zang | 2019-10-15 |