Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352169 | Hydraulic support with quick response function for coal wall spalling | Lirong Wan, Qingliang Zeng, Zhiyuan Sun, Wenqian Xu, Zhaoji Li +2 more | 2025-07-08 |
| 11771019 | Vertical tree felling method and apparatus | — | 2023-10-03 |
| 11612116 | Vertical tree felling method and apparatus | — | 2023-03-28 |