Alan B. Shimp
23Patents
11h-index
17Co-inventors
72Inventor score
Filing activity: May 24, 1974 → May 26, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5559719A | Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systems | Physics | 86 | Expired |
| US4181922A | Circuit interrupter with improved adjustable trip unit | Electricity | 33 | Expired |
| US4358810A | Circuit breaker with alarm | Electricity | 26 | Expired |
| US4870532A | Electric circuit for operating trip circuit of a circuit breaker | Electricity | 23 | Expired |
| US4258403A | Ground fault circuit interrupter | Electricity | 22 | Expired |
| US5428495A | Electrical switching apparatus with digital trip unit and automatic frequency selection | Electricity | 20 | Expired |
| US3956670A | Circuit interrupter circuit including improved control | Electricity | 19 | Expired |
| US4603313A | Circuit breaker with replaceable rating plug interlock and push to trip button | Electricity | 16 | Expired |
| US4016518A | Circuit breaker with improved single coil actuator and undervoltage release mechanism | Electricity | 13 | Expired |
| US4296450A | Discriminating circuit breaker protection system direct current power distribution systems | Electricity | 12 | Expired |
| US4634981A | Method for testing a circuit breaker using a three terminal current transformer | Electricity | 11 | Expired |
| US4205361A | Undervoltage control apparatus for circuit interrupter | Electricity | 11 | Expired |
| US5331501A | Electrical switching apparatus with digital trip unit and memory reset | Electricity | 9 | Expired |
| US4639701A | Circuit breaker with interface flux shunt trip | Electricity | 9 | Expired |
| US3959695A | Circuit interrupter with ground fault trip control | Electricity | 9 | Expired |
| US3946279A | Active impedance multiplier | Electricity | 8 | Expired |
| US4011484A | Undervoltage release with electrical reset for circuit breaker | Electricity | 7 | Expired |
| US5105326A | Circuit for controlling the orientation of a magnetic field | Electricity | 6 | Expired |
| US4104691A | Circuit breaker apparatus including asymmetrical fault detector | Electricity | 6 | Expired |
| US4279007A | Single-phase fault detecting circuit breaker | Electricity | 5 | Expired |
| US5483408A | Overcurrent trip unit with separately adjustable neutral protection | Electricity | 5 | Expired |
| US4939491A | Combination barrier and auxiliary CT board | Electricity | 4 | Expired |
| US4298852A | Circuit breaker with interchangeable rating adjuster and interlock means | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.