Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10144437 | Swing bolster, swing bolster vibration reduction assembly and bogie | Pinwei Yin, Zhenming Liu, Derong Zhang, Hao Liang | 2018-12-04 |
| 10086851 | Bogie and axle box suspension positioning device thereof | Derong Zhang, Yanchen Zhang, Haibin Hu, Wendong Shao, Lidong Li +3 more | 2018-10-02 |