Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392813 | Arc fault detection circuit employing a window gating circuit | Chengli LI, Long CHEN | 2025-08-19 |
| 12306269 | Electrical fault detection and interruption device and related electrical connectors and electrical appliances | Chengli LI, Long CHEN | 2025-05-20 |
| 12306270 | Electrical fault detection and interruption device and related electrical connectors and electrical appliances | Chengli LI, Long CHEN | 2025-05-20 |
| 12237660 | Leakage current detection and interruption device, electrical connector and electrical appliance | Long CHEN, Chengli LI | 2025-02-25 |
| 12206231 | Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances | Chengli LI, Long CHEN | 2025-01-21 |
| 11223192 | Leakage current protection device with automatic or manual reset after power outage | Chengli LI, Long CHEN | 2022-01-11 |
| 10615588 | Ground fault circuit interrupter | Chengli LI | 2020-04-07 |
| 10571526 | Ground fault circuit interrupter | Chengli LI | 2020-02-25 |
| 10069292 | Leakage current detection device for appliances | Chengli LI, Wei Zhang | 2018-09-04 |
| 9871366 | Leakage current detection and protection device | Chengli LI | 2018-01-16 |
| 9640968 | Arc fault circuit interrupter | Chengli LI | 2017-05-02 |
| 9547047 | Leakage current detection device with self-testing function | Chengli LI | 2017-01-17 |
| 9312681 | Circuit interrupter with over-temperature protection function for power cord | Chengli LI | 2016-04-12 |
| 9312680 | Leakage current detection interrupter with self-testing function and over-temperature protection function | Chengli LI | 2016-04-12 |
| 9136082 | Ground-fault circuit interrupter | Chengli LI | 2015-09-15 |
| 8482887 | Ground-fault circuit interrupter with circuit condition detection function | Cheng Li Li | 2013-07-09 |
| 8054590 | Ground-fault circuit interrupter with circuit condition detection function | Chengli LI | 2011-11-08 |