Issued Patents 2003
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670870 | Lockout for reset mechanism of electrical protective device | — | 2003-12-30 |
| 6633467 | AFCI which detects and interrupts line side arcing | Jeffrey C. Richards | 2003-10-14 |
| 6628487 | Method and apparatus for detecting upstream series arc faults | — | 2003-09-30 |
| 6628486 | Fault detection device with line-load miswire protection | — | 2003-09-30 |
| 6621388 | Lockout mechanism for use with ground and arc fault circuit interrupters | — | 2003-09-16 |
| 6608741 | Two winding resonating arc fault sensor which boosts arc fault signals while rejecting arc mimicking noise | — | 2003-08-19 |
| 6590754 | AFCI with false trip prevention filter | — | 2003-07-08 |
| 6577484 | Arc fault detector device utilizing the di/dt and 60 Hz components of an arcing waveform | Jeffrey C. Richards, Phillip M. Stanley | 2003-06-10 |
| 6570392 | Arc fault circuit detector device detecting pulse width modulation of arc noise | Thomas N. Packard | 2003-05-27 |
| 6538863 | Arc fault circuit protection device with asymmetrical transformer | — | 2003-03-25 |
| 6504692 | AFCI device which detects upstream and downstream series and parallel ARC faults | Thomas N. Packard, Jeffrey C. Richards, James P. Romano | 2003-01-07 |