Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12194875 | Charging module and charging system | Yanzhong Zhang, Xiaofeng Yao | 2025-01-14 |
| 11097749 | Multimodal transportation interworking system | Haiping Hu, Lijie Su, Lei Zhang, Tao Liu, Fengwei Liu +5 more | 2021-08-24 |
| 10086851 | Bogie and axle box suspension positioning device thereof | Shifeng Xu, Derong Zhang, Yanchen Zhang, Wendong Shao, Lidong Li +3 more | 2018-10-02 |
| 9707981 | Car-coupler buffer and rail way car | Xiaolong Wang, Yuebin Yu, Long Chen, Changchun Wang, Qingmin Meng | 2017-07-18 |
| 9216748 | Bogie and side frame thereof | Shifeng Xu, Wendong Shao, Yuebin Yu, Pingwei Yin, Zhenming Liu | 2015-12-22 |
| 9031972 | Method and device for extracting relationship circle of members in social network service (SNS) network | Yu Yin, Gengping Cai | 2015-05-12 |
| 8671845 | Central suspension device, wagon bogie and express railway wagon | Shifeng Xu, Wendong Shao, Yuebin Yu, Lidong Li, Kewei Lv +3 more | 2014-03-18 |
| 8561548 | Journal box rubber pad and bogie | Zhenming Liu, Lidong Li, Shuming Xing, Weichun Ren, Chaoyu Li +1 more | 2013-10-22 |
| 8448580 | Freight car bogie and freight car | Zhenming Liu, Chunlin Wang, Shuming Xing, Pingwei Yin, Hai Yao | 2013-05-28 |
| 8336464 | Freight car bogie and freight car | Shuming Xing, Zhenming Liu, Shifeng Xu, Zhen Zhu, Wendong Shao +1 more | 2012-12-25 |