Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11299378 | Double-drum intermediate gear linkage winding type hoisting system | Ziming Kou, Xingzi Tu, Yandong Wang, Juan Wu, Xiaoniu Zhang +4 more | 2022-04-12 |
| 11242230 | Mine explosion-isolating hoisting device with built-in type permanent magnet motor | Ziming Kou, Zhensheng Wang, Juan Wu, Deling Xie, Yandong Wang +4 more | 2022-02-08 |