Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12037904 | Rock burst active prevention and control mechanism | Jie Hu, Manchao He, Dongqiao Liu | 2024-07-16 |
| 9797248 | Constant-resistance and large deformation anchor cable and constant-resistance device | Manchao He, Bin Zhang, Xiaojie Yang | 2017-10-24 |