Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259413 | Fault detection in an electric power system | — | 2025-03-25 |
| 10153635 | System for detecting a falling electric power conductor and related methods | William O'Brien | 2018-12-11 |
| 9413156 | System for detecting a falling electric power conductor and related methods | William O'Brien | 2016-08-09 |
| 5838525 | High speed single-pole trip logic for use in protective relaying | Solveig Ward | 1998-11-17 |
| 5796629 | Protective relaying system comprising numerical comparator-based line differential processing circuitry | Fernando Calero | 1998-08-18 |
| 4862308 | Power bus fault detection and protection system | — | 1989-08-29 |
| 4841405 | Protective relaying apparatus for providing fault-resistance correction | — | 1989-06-20 |
| 4528611 | Relay for pilot protection of electrical power lines | — | 1985-07-09 |
| 4528678 | Nonlinear noise reduction apparatus with memory | — | 1985-07-09 |
| 4475209 | Regenerator for an intrabundle power-line communication system | — | 1984-10-02 |
| 4471399 | Power-line baseband communication system | — | 1984-09-11 |
| 4402028 | Protective relay methods and apparatus | — | 1983-08-30 |
| 4377833 | Methods and apparatus for protecting electrical reactors | — | 1983-03-22 |
| 4305108 | Three-phase time overcurrent detector | — | 1981-12-08 |