Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785104 | Low energy pulsing device and method for electrical system arc detection | David Tallman | 2004-08-31 |
| 6765390 | Diagnostic wiring verification tester | — | 2004-07-20 |
| 6744254 | Breaker failure annunciator system | Robert J. Clarey | 2004-06-01 |
| 6734682 | Testing device for detecting and locating arc faults in an electrical system | David Tallman, William J. Murphy | 2004-05-11 |
| 6724591 | Circuit interrupter employing a mechanism to open a power circuit in response to a resistor body burning open | Robert J. Clarey, Richard P. Sabol | 2004-04-20 |
| 6720872 | Ground fault/arc fault circuit interrupter and method of testing the same with a test button and a reset button | Joseph C. Engel, John C. Schlotterer | 2004-04-13 |
| 6717394 | Method and apparatus for determining frequency of an alternating current signal of an electric power system | — | 2004-04-06 |
| 6710687 | Test button assembly for circuit breaker | Michael Jerome Whipple | 2004-03-23 |
| 6707651 | ARC fault or ground fault or ARC fault/ground fault trip signal generator and trip unit employing the same | Theodore James Miller | 2004-03-16 |
| 6696841 | Electric power system relay and on-line method of testing same | Lifeng Yang, Deborah K. Mort | 2004-02-24 |