Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603291 | Hydraulic buffer energy storage device and system for over-discharged hoist skip in vertical shaft | Ying-Li Tian, Xingbo Wang | 2023-03-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603291 | Hydraulic buffer energy storage device and system for over-discharged hoist skip in vertical shaft | Ying-Li Tian, Xingbo Wang | 2023-03-14 |