Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10906562 | Movable side wall and opening/closing mechanism for railroad boxcars | Donghua Xu, Qiangjun Jiang, Haitao Liu, Fengwei Liu, Wenliang Liu +4 more | 2021-02-02 |
| 10053118 | Sidewall structure of hopper car | Biaowen Xiang, Chunjiang Shi, Wenliang Liu, Liangcai Lin, Bin Ling +4 more | 2018-08-21 |