Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192724 | Inclined shaft continuous feeding system for solid filling materials | — | 2021-12-07 |
| 10876403 | Method for mining ultra-thick coal seam by utilizing goaf solid backfilling technique | — | 2020-12-29 |
| 10036252 | Method for removing hydraulic support for solid filling coal mining | Feng Ju, Jixiong Zhang, Xuejie Deng, Xufeng Wang | 2018-07-31 |
| 9309161 | Systems and methods of storing combustion waste products | Shen-En Chen, Peng Wang, Qiyan Feng, Qianlin Zhu | 2016-04-12 |