Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10710613 | Railway freight car bogie | Zhenming Liu, Shifeng Xu, Shanchao Xu, Weigang Kong | 2020-07-14 |
| 8671845 | Central suspension device, wagon bogie and express railway wagon | Shifeng Xu, Wendong Shao, Haibin Hu, Yuebin Yu, Lidong Li +3 more | 2014-03-18 |