Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209415 | Discrete element method for modelling a fracture evolution of a roadway surrounding rock | Xiangyu Wang, Junwu Xia, Shuai Yan | 2021-12-28 |
| 10941803 | Blind bolt fastening device | Hongfei Chang, Yaping Lu, Junwu Xia, Fengjie Zhang, Wei Xie | 2021-03-09 |
| 10822949 | Apparatus for protecting roof tray when gob-side entry retaining end support migrates | Rui Wang, Shuai Yan, Junwu Xia, Xiangyu Wang, Ying Xu +3 more | 2020-11-03 |