Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614356 | Modular accessory system for panel board | Sandy Omar Jimenez, Richard M. Elchik, Edward Ethber Lias | 2017-04-04 |
| 8547673 | Electrical switching apparatus with overvoltage protection | David Wayne Stiffler, Joshua P. Mattocks | 2013-10-01 |
| 7215520 | Circuit interrupter including arc fault test and/or ground fault test failure indicator | Robert T. Elms | 2007-05-08 |
| 7187529 | Apparatus and method for detecting a gas associated with a glowing contact and interrupting a power circuit | David Tallman | 2007-03-06 |
| 7149066 | Fault detector for two line power distribution system and protection apparatus incorporating the same | Robert T. Elms | 2006-12-12 |
| 6671150 | Circuit breaker for detecting an excessive voltage and tripping responsive thereto | Robert T. Elms | 2003-12-30 |
| 6487057 | Ground fault current interrupter/arc fault current interrupter circuit breaker with fail safe mechanism | — | 2002-11-26 |
| 5896262 | Arc fault detector with protection against nuisance trips and circuit breaker incorporating same | Thomas Christopher Rae, Robert T. Elms | 1999-04-20 |
| 5831509 | Circuit breaker with sense bar to sense current from voltage drop across bimetal | Robert T. Elms, Michael J. Erb | 1998-11-03 |