Issued Patents 2021
Showing 1–2 of 2 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 |