Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904932 | Circuit condition monitor with integrally molded test point socket and capacitive coupling | — | 1990-02-27 |
| 4873706 | Electromechanical pulse counter | — | 1989-10-10 |
| 4795982 | Fault indicator having delayed trip circuit | — | 1989-01-03 |
| 4794331 | Circuit condition monitoring system having integral test point | — | 1988-12-27 |
| 4794329 | Cable mounted capacitively-coupled circuit condition indicating device | — | 1988-12-27 |
| 4794332 | Fault indicator having improved trip inhibit circuit | — | 1988-12-27 |
| 4714916 | Voltage loss detector | — | 1987-12-22 |
| 4706016 | Surge detector having distributed line inductance pickup | — | 1987-11-10 |
| 4686518 | Fault indicator having trip inhibit circuit | — | 1987-08-11 |
| 4646006 | Clamp mechanism for power line mounted monitoring device | — | 1987-02-24 |
| 4641220 | Test point mounted voltage monitoring system | — | 1987-02-03 |
| 4550288 | Voltage loss sensor and alarm | — | 1985-10-29 |
| 4536758 | Fault indicator with push button reset | — | 1985-08-20 |
| 4495489 | Fault indicator with improved flag indicator assembly | — | 1985-01-22 |
| 4458198 | Fault indicator having a remote test point at which fault occurrence is indicated by change in magnetic state | — | 1984-07-03 |
| 4456873 | Cable mounted magnetic core assembly | — | 1984-06-26 |
| 4438403 | Fault indicator with combined trip and reset winding | — | 1984-03-20 |
| 4424512 | Fault indicator having increased sensitivity to fault currents | — | 1984-01-03 |
| 4414543 | Ground fault indicator | — | 1983-11-08 |
| 4375617 | Fault indicator with flux concentrating means | — | 1983-03-01 |
| 4288743 | Fault indicator operable from a remote excitation source through a uniformly distributed impedance cable | — | 1981-09-08 |
| 4263550 | Test point mounted circuit condition indicator | — | 1981-04-21 |
| 4251770 | Combined fault and voltage indicator | — | 1981-02-17 |
| 4234847 | Fault indicator | — | 1980-11-18 |