Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11390489 | Mine vertical shaftlifting apparatus, mine vertical shaft lifting system and control method therefor | Manchao He, Guohua Cao, Jun Yang | 2022-07-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11390489 | Mine vertical shaftlifting apparatus, mine vertical shaft lifting system and control method therefor | Manchao He, Guohua Cao, Jun Yang | 2022-07-19 |