Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839208 | Arc fault circuit interrupter recognizing arc noise burst patterns | Thomas N. Packard, Jeffrey C. Richards, James P. Romano | 2005-01-04 |
| 6798628 | Arc fault circuit detector having two arc fault detection levels | — | 2004-09-28 |
| 6674289 | Circuit protection device with half cycle self test | — | 2004-01-06 |
| 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 |
| 6628486 | Fault detection device with line-load miswire protection | — | 2003-09-30 |
| 6628487 | Method and apparatus for detecting upstream series arc faults | — | 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 |
| 6433977 | Combo AFCI/GFCI with single test button | — | 2002-08-13 |
| 6377055 | Arc fault detector device with two stage arc sensing | Thomas N. Packard | 2002-04-23 |
| 6373257 | Arc fault circuit interrupter | Thomas N. Packard | 2002-04-16 |
| 6370001 | Circuit protector with self-test circuit | — | 2002-04-09 |
| 6362628 | Arc fault circuit detector device detecting pulse width modulation of arc noise | Thomas N. Packard | 2002-03-26 |
| 6266219 | Combination ground fault and arc fault circuit interrupter | Thomas N. Packard | 2001-07-24 |
| 6229679 | Arc fault circuit interrupter without DC supply | — | 2001-05-08 |
| 6198611 | Arc fault circuit interrupter without DC supply | — | 2001-03-06 |
| 6188214 | Phase control switch with reduced heat dissipating RFI inductor | — | 2001-02-13 |
| 6084488 | Compact high current relay | James Findley, Michael R. Bryndzia | 2000-07-04 |
| 6010310 | Fan controller for reducing harmonic fluxuations that produces audible sounds | — | 2000-01-04 |