Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11299371 | System and method for detecting elevator maintenance behavior in elevator hoistway | Yuanjing Sun, Jie Xi, Tianyuan Chen, Zhen Jia | 2022-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11299371 | System and method for detecting elevator maintenance behavior in elevator hoistway | Yuanjing Sun, Jie Xi, Tianyuan Chen, Zhen Jia | 2022-04-12 |