Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10779244 | Power headroom transmission method and device | Lei Chen, Jing Qiu | 2020-09-15 |
| 10721111 | Communication method and apparatus | Lei Chen | 2020-07-21 |
| 10640133 | Connecting rod type two-level locking device, hopper car bottom door and hopper car | Chunjiang Shi, Mingdao Sun, Qiangjun Jiang, Baolei Wang, Wenliang Liu +4 more | 2020-05-05 |