Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10677055 | Fractured roof 110 mining method entry-side anti-collapsed structure | Manchao He | 2020-06-09 |
| 9588029 | Dynamics performance testing system | Manchao He, Guofeng Zhang | 2017-03-07 |
| 9488049 | Tension meter for anchor rod with constant resistance and large deformation | Manchao He, Jiong Wang, Jun Yang, Xiaoming Sun | 2016-11-08 |