Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10086851 | Bogie and axle box suspension positioning device thereof | Shifeng Xu, Derong Zhang, Yanchen Zhang, Haibin Hu, Wendong Shao +3 more | 2018-10-02 |
| 8561546 | Bogie | Zhenming Liu, Chunlin Wang, Pingwei Yin, Hai Yao | 2013-10-22 |