Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235257 | Method of analyzing influencing factors of contribution rate of elastic energy of top plate during catastrophe of coal body | Chenglin Tian, Haitao Sun, Xusheng Zhao | 2025-02-25 |
| 12174153 | Method for estimating contribution rate of elastic energy of top plate during instability catastrophe of deep gas-containing coal body | Chenglin Tian, Haitao Sun | 2024-12-24 |
| 10883320 | Ground wellhole dedicated protective pipe for gas extraction of mining-induced area | Wei Lu, Guansheng Qi, Weimin Cheng, Jinliang Li, Dong Wang +1 more | 2021-01-05 |