Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142431 | Stabilizing device of elevator car and a control method thereof, an elevator system | Qing Li, ShengYu Wang, Xiaokai Gong, XiaoBin Tang, ZhengZong Tang +1 more | 2021-10-12 |
| 11124387 | End-fastening apparatus for lifting rope and elevator system using thereof | Qing Li | 2021-09-21 |
| 10969497 | Dynamic baseline position domain monitoring system | Zhipeng Wang, Yanbo Zhu, Kun Fang, Qiang Li | 2021-04-06 |