Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161530 | Traction mechanism, bogie assembly, and straddle-type monorail vehicle | Lin Ren, Daolin Li | 2021-11-02 |
| 11155282 | Bogie frame, bogie assembly and rail vehicle | Daolin Li, Huiyue Liu, Qihua Feng | 2021-10-26 |