Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639933 | Steering logic circuit for a digital data transceiver | Thomas E. Anderson | 1987-01-27 |
| 4638244 | Ground connection monitor | — | 1987-01-20 |
| 4636907 | Arcless circuit interrupter | — | 1987-01-13 |
| 4636906 | Solid state circuit interruption employing a stored charge power transistor | Thomas E. Anderson | 1987-01-13 |
| 4631622 | Multiple static trip circuit breaker coordination | — | 1986-12-23 |
| 4631621 | Gate turn-off control circuit for a solid state circuit interrupter | — | 1986-12-23 |
| 4620122 | Piezoelectric contact driver for circuit interrupters | — | 1986-10-28 |
| 4609839 | Noise inverter circuit for a power line communication system | — | 1986-09-02 |
| 4607148 | Change of state contact material for electric circuit interrupters | Ira B. Goldman | 1986-08-19 |
| 4598187 | Current limiting circuit breaker | — | 1986-07-01 |
| 4583232 | Carrier current digital data transceiver | — | 1986-04-15 |
| 4583146 | Fault current interrupter | — | 1986-04-15 |
| 4583066 | Thermal release for flux shift trip unit within static trip circuit breakers | — | 1986-04-15 |
| 4578653 | Frequency selective filter circuit | — | 1986-03-25 |
| 4433326 | Power line communication system using the neutral and ground conductors of a residential branch circuit | — | 1984-02-21 |
| 4429340 | Bargraph displays for static trip circuit breakers | — | 1984-01-31 |
| 4428019 | Ground fault circuit interrupting device with improved integrated circuit power supply | — | 1984-01-24 |
| 4408186 | Power line communication over ground and neutral conductors of plural residential branch circuits | — | 1983-10-04 |
| 4348708 | Ground fault circuit interrupting device with improved coordination of electronic circuit operation | — | 1982-09-07 |
| 4345289 | Ground fault circuit interrupting device with improved thyristor triggering | — | 1982-08-17 |
| 4297741 | Rate sensing instantaneous trip mode network | — | 1981-10-27 |
| 4288833 | Lightning arrestor | — | 1981-09-08 |
| 4288769 | Ambient temperature responsive trip device for static trip circuit breakers | — | 1981-09-08 |
| 4274121 | Target circuit for circuit breaker static trip unit | — | 1981-06-16 |
| 4272797 | Fast recovery peak detector | — | 1981-06-09 |