Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186300 | Collision energy absorption structure and rail vehicle having same | Haiyang Yu, Yuwen LIU, Aiqin TIAN, Honglei TIAN | 2021-11-30 |
| 11046349 | Method of driving a sliding tool on ice-surface | Wenli Song, Zhipeng Li, Ping Zhang, Ruizhu Yang, Bowen Ning +2 more | 2021-06-29 |