Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11489331 | Leakage current detection and protection device, and power connector and electrical appliance employing the same | Chengli LI | 2022-11-01 |
| 11444448 | Leakage current detection and protection device, and power connector and electrical appliance employing the same | Chengli LI | 2022-09-13 |
| 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 |