Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252061 | Container locking device and piggyback transport vehicle | Heping Zheng, Meng Wang, Zhihong Bian, Hongkun Wang, Wengang Wang +9 more | 2025-03-18 |
| 10352083 | Compartment and bottom door thereof | Lei Yu, Shengkun Wang, Tianjun Zhao, Shuang Yang | 2019-07-16 |
| 9061688 | Bottom door device and hopper car having the same | Linghan Yue, Shuang Yang, Baichuan He, Lei Yu, Zhigang Li +2 more | 2015-06-23 |
| 8950340 | Ballast hopper car discharge door control system | Shengkun Wang, Linghan Yue, Yongfeng Yi, Junlin Zhang | 2015-02-10 |
| 8919734 | Hollow floor-jack web-plate type chassis side panel assembly | Xiao Fang | 2014-12-30 |