Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10086851 | Bogie and axle box suspension positioning device thereof | Shifeng Xu, Derong Zhang, Yanchen Zhang, Haibin Hu, Lidong Li +3 more | 2018-10-02 |
| 9216748 | Bogie and side frame thereof | Shifeng Xu, Haibin Hu, Yuebin Yu, Pingwei Yin, Zhenming Liu | 2015-12-22 |
| 8671845 | Central suspension device, wagon bogie and express railway wagon | Shifeng Xu, Haibin Hu, Yuebin Yu, Lidong Li, Kewei Lv +3 more | 2014-03-18 |
| 8336464 | Freight car bogie and freight car | Shuming Xing, Zhenming Liu, Shifeng Xu, Haibin Hu, Zhen Zhu +1 more | 2012-12-25 |