Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142431 | Stabilizing device of elevator car and a control method thereof, an elevator system | Qing Li, Kai Kang, ShengYu Wang, XiaoBin Tang, ZhengZong Tang +1 more | 2021-10-12 |
| 11001476 | Compensation chain stabilize device and method, hoistway and elevator system | — | 2021-05-11 |