Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9663013 | Trailer and frame thereof | Peng Chen, Nan Li, Qingyuan Qin, Jianxing Wang, Xing Yan +3 more | 2017-05-30 |
| 7793981 | Joint, main beam of container semi-trailer provided with the joint and the connecting method thereof | Liangfu Xie, Xiya Li, You Gong | 2010-09-14 |
| 7568856 | Joint and main beam of container semi-trailer provided with the joint | Liangfu Xie, Xiya Li | 2009-08-04 |
| 7533896 | Locking device of extendable and retractable container semi-trailers | Yongyou Zhang, Liangfu Xie, Xiya Li | 2009-05-19 |