Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11258245 | Intelligent leakage current detection and interruption device for power cord | Chengli LI | 2022-02-22 |
| 11223192 | Leakage current protection device with automatic or manual reset after power outage | Chengli LI, Guolan Yue | 2022-01-11 |
| 11018496 | Leakage current detection and protection device, and power connector and electrical appliance employing the same | Chengli LI, Shengyun NIE | 2021-05-25 |
| 11005260 | Leakage current detection and interruption device for power cord, and power connector and appliance employing the same | Chengli LI | 2021-05-11 |
| 10931095 | Relay-type leakage current protection device | Chengli LI, Shengyun NIE | 2021-02-23 |
| 10234106 | Double-prism assembly, multi-prism combinatorial structure and light fixture | Zeru Wang, Xiang Li | 2019-03-19 |
| 9257113 | Method and system for active noise cancellation | Chuan Ni, Yunhong Li | 2016-02-09 |