Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12266251 | Faulty transformer partial discharge, vibration, combustible gases, and sound frequency monitor and alarm | Sizwe Dhlamini, Zijun GONG, Xiaohang Zhao, Huayau Rong, Hnin Dhlamini | 2025-04-01 |
| 8558646 | Disconnect mechanism in a power receptacle with ground-fault circuit interruption functions | — | 2013-10-15 |
| 8513964 | Circuit interrupter device with self-test function | Guo-Ian Yue | 2013-08-20 |
| 8482887 | Ground-fault circuit interrupter with circuit condition detection function | Guolan Yue | 2013-07-09 |
| 8193445 | Tamper resistant power receptacle having a safety shutter | — | 2012-06-05 |
| 8164403 | Disconnect mechanism in a power receptacle with ground-fault circuit interruption functions | — | 2012-04-24 |
| 7498909 | Ground-fault circuit interrupter with reverse wiring protection | Long Zhang | 2009-03-03 |