Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7576959 | Circuit interrupting device with automatic end-of-life test | Huayang Lu | 2009-08-18 |
| 7538993 | Receptacle circuit interrupting devices providing an end of life test controlled by test button | Lu Huayang | 2009-05-26 |
| 7411766 | Circuit interrupting device with end of life testing functions | Lu Huayang | 2008-08-12 |
| D573005 | Screwless wall plate | — | 2008-07-15 |
| D564459 | Fixed contact points in a ground fault circuit interrupter | — | 2008-03-18 |
| 7317600 | Circuit interrupting device with automatic end of life test | Huayang Lu | 2008-01-08 |
| 7315227 | Ground fault circuit interrupters providing end of the life test | Huayang Lu | 2008-01-01 |
| 7295415 | Circuits for circuit interrupting devices having automatic end of life testing function | Lu Huayang | 2007-11-13 |
| 7289306 | Ground fault circuit interrupter containing a dual-function test button | — | 2007-10-30 |
| 7265956 | Ground fault circuit interrupter containing a dual-function test button | — | 2007-09-04 |
| 7195500 | Ground fault circuit interrupter with end of life indicators | Huayang Lu | 2007-03-27 |
| 7019952 | Receptacle device having circuit interrupting and reverse wiring protection | Chengli LI | 2006-03-28 |
| 6998945 | Receptacle device having protection against arc faults and leakage currents | Huayang Lu | 2006-02-14 |
| 6943309 | Two-position three-wire switch | — | 2005-09-13 |
| D413862 | Ground fault circuit interrupter | Huaqiu ZHANG | 1999-09-14 |