Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524867 | Determination of non-normal elevator calling request in an automatic elevator calling request system | Xiaofei Guo, Haiyan Xue, Renxiang Chen, Heping Qiu, Lieping Wei +2 more | 2022-12-13 |
| D966701 | Crossbody bag | — | 2022-10-18 |
| 11447366 | Determination for motion of passenger over elevator car | Xiaofei Guo | 2022-09-20 |
| D963333 | Backpack | — | 2022-09-13 |
| 11440768 | Acquisition of position of elevator car | Lieping Wei, XiaoBin Tang | 2022-09-13 |
| 11408646 | Ladder-structural gravity-assisted-heat-pipe geothermal energy recovery system without liquid-accumulation effect | Fangming Jiang, Wenjiong Cao, Yiwei Wang | 2022-08-09 |
| 11332341 | Personal mobile terminal and a method of requesting elevator service | Jingyu Tong, Lieping Wei | 2022-05-17 |