Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11052927 | Railroad hopper car | Biaowen Xiang, Chuqiang Tang, Hong Cui, Yueming Hu, Song-Ming Wang +4 more | 2021-07-06 |
| 10640133 | Connecting rod type two-level locking device, hopper car bottom door and hopper car | Chunjiang Shi, Mingdao Sun, Qiangjun Jiang, Fengwei Liu, Baolei Wang +4 more | 2020-05-05 |
| 10501096 | Engineering vehicle having ballast unloading device and ballast leveling device | Wei-Fang Chen, Chuqiang Tang, Baolei Wang, Junxiang Liu, Xuefeng Yin +8 more | 2019-12-10 |
| 10384693 | Side wall structure of open wagon | Huiping Wu, Yaoming Hu, Huarui Zhao, Yan He, Chuqiang Tang | 2019-08-20 |
| 10053118 | Sidewall structure of hopper car | Biaowen Xiang, Chunjiang Shi, Wenliang Liu, Bin Ling, Huanyun Liu +4 more | 2018-08-21 |
| 9789883 | Two-level locking device, hopper car bottom door and hopper car | Chunjiang Shi, Mingdao Sun, Qiangjun Jiang, Fengwei Liu, Baolei Wang +4 more | 2017-10-17 |