Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556009 | Labor-saving device for detection of no-load hand hoist motion | Rui Li, Liang Wang, Minbo Yu, Zhihua Zhu, Hongyun Yu +1 more | 2017-01-31 |
| 9309912 | Automatic releaser with wireless controls | Minbo Yu, Zhihua Zhu, Rui Li, Hongyun Yu, Qun Yuan | 2016-04-12 |