Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10099402 | Vehicle capable of stirring concrete during transportation | Qin Shi, Chao Zhang, Yikai Chen | 2018-10-16 |
| 9945083 | Unidirectional bend drive chain and lift mechanism and boom barrier including same | Chao Zhang, Qin Shi, Yikai Chen, Zhibin Sun, Fei Tang +2 more | 2018-04-17 |