Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11479449 | Vertical lifting device and method | Guijun Gao, Gongjun Cui, Jing Zhang, Haiqing Wang, Xueliang Wei | 2022-10-25 |
| 11320021 | Method and device for preventing impact vibration of lift system | Juan Wu, Yujin Li, Jianwei Yang, Jing Zhang, Yufei Xue | 2022-05-03 |
| 11299378 | Double-drum intermediate gear linkage winding type hoisting system | Xingzi Tu, Yandong Wang, Juan Wu, Xiaoniu Zhang, Huaxin Chen +4 more | 2022-04-12 |
| 11242230 | Mine explosion-isolating hoisting device with built-in type permanent magnet motor | Zhensheng Wang, Juan Wu, Deling Xie, Yandong Wang, Yinru Bai +4 more | 2022-02-08 |