Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11707807 | Fixture for automatic assembly, overturning and welding of sidewall aluminum profiles of rail vehicle | Changhe Li, Bo Liu, Huajun Cao, Wenfeng Ding, Xin Cui +2 more | 2023-07-25 |
| 11628530 | Positioning system with adjustable clamping force and milling equipment for rail transit honeycomb workpiece | Changhe Li, Aiguo Qin, Bo Liu, Yun-Lung Chen, Huajun Cao +9 more | 2023-04-18 |