Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680561 | Method of facilitating communications across open circuit breaker contacts | Barry Rodgers, Robert Dwulet, Mark Kocher, Julius Michael Liptak, Alexander Filippenko +3 more | 2010-03-16 |
| 6621669 | Arc fault receptacle with a feed-through connection | Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong | 2003-09-16 |
| 6567250 | Arc fault protected device | Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong | 2003-05-20 |
| 6532424 | Electrical fault detection circuit with dual-mode power supply | Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong | 2003-03-11 |
| 6477021 | Blocking/inhibiting operation in an arc fault detection system | Brian Grattan, Kon B. Wong, Robert F. Dvorak, Gary W. Scott | 2002-11-05 |
| 6456471 | Test, reset and communications operations in an ARC fault circuit interrupter with optional memory and/or backup power | Brian Grattan, Kon B. Wong, Robert F. Dvorak, Gary W. Scott | 2002-09-24 |
| 6414829 | Arc fault circuit interrupter | Brian Grattan, Kon B. Wong, Robert F. Dvorak, Gary W. Scott | 2002-07-02 |
| 6377427 | Arc fault protected electrical receptacle | Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong | 2002-04-23 |
| 6313975 | Self-sourcing, isolated zone selective interlocking system for use with electronic trip circuit breakers | David Joseph Dunne | 2001-11-06 |
| 6259996 | Arc fault detection system | Alan Coats, Kon B. Wong, Robert F. Dvorak, Gary W. Scott | 2001-07-10 |
| 5999384 | Circuit interrupter with arcing fault protection and PTC (positive temperature coefficient resistivity) elements for short circuit and overload protection | William W. Chen, George Gregory, Gary W. Scott | 1999-12-07 |
| 5946179 | Electronically controlled circuit breaker with integrated latch tripping | Dennis W. Fleege | 1999-08-31 |
| 5923514 | Electronic trip circuit breaker with CMR current sensor | Gary W. Scott | 1999-07-13 |
| 5886860 | Circuit breakers with PTC (Positive Temperature Coefficient resistivity | William W. Chen, Colin Cornhill, Gary W. Scott, Manzoor Ali, William Rezac +1 more | 1999-03-23 |
| 5821876 | Communication interface for bus connected circuit breakers | Ronald L. Farrington, Larry James Serbousek, Earl J. Tessmer | 1998-10-13 |
| 5519368 | Compact coil assembly for transient voltage protection | James Arthur Heise, Gary A. Volesky, Henry J. Zylstra | 1996-05-21 |
| 5337205 | Dual voltage power supply | Jerry R. Baack | 1994-08-09 |
| 5189587 | Dual shunt current regulator | Earl J. Tessmer | 1993-02-23 |
| 5164875 | Addressable relay module for circuit breakers | Earl J. Tessmer, Ronald L. Farrington | 1992-11-17 |
| 5162664 | Communications arrangement for an electronic circuit breaker trip system | Earl J. Tessmer, Leon W. Durivage, III | 1992-11-10 |