Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8462471 | Circuit interrupting device with high voltage surge protection | Huadao Huang | 2013-06-11 |
| 8300368 | Circuit interrupting device with end-of life testing, reverse wiring and high voltage surge capability | Huadao Huang | 2012-10-30 |
| 8233251 | Circuit interrupting device with interconnecting reset and test buttons | Huadao Huang | 2012-07-31 |
| 7633726 | Ground fault circuit interrupters with miswiring or reverse wiring protection and end of life alarm signal | Huadao Huang | 2009-12-15 |
| 7576959 | Circuit interrupting device with automatic end-of-life test | Huadao Huang | 2009-08-18 |
| 7317600 | Circuit interrupting device with automatic end of life test | Huadao Huang | 2008-01-08 |
| 7315227 | Ground fault circuit interrupters providing end of the life test | Huadao Huang | 2008-01-01 |
| 7195500 | Ground fault circuit interrupter with end of life indicators | Huadao Huang | 2007-03-27 |
| 6998945 | Receptacle device having protection against arc faults and leakage currents | Huadao Huang | 2006-02-14 |