Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9889482 | Automatic counting chain-cutting machine for round link chains | Yiping Zhang, Yuchao Qiu | 2018-02-13 |
| 9505592 | Adjustment and testing device for a load-limiting hoist | Xiaojiang Ye, Chungang Zhu | 2016-11-29 |