Ralph W. Carp
20Patents
11h-index
19Co-inventors
68Inventor score
Filing activity: Jan 7, 1975 → Sep 30, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3993939A | Pressure variable capacitor | Electricity | 92 | Expired |
| US4433390A | Power processing reset system for a microprocessor responding to sudden deregulation of a voltage | Physics | 58 | Expired |
| US4238813A | Compensated dual injector driver | Electricity | 22 | Expired |
| US4307450A | Hybrid electronic control unit | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4212066A | Hybrid electronic control unit for fuel management systems | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4623976A | Automatic calibration apparatus for an automotive control system | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4214308A | Closed loop sensor condition detector | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4212065A | Altitude compensation feature for electronic fuel management systems | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4246639A | Start and warm up features for electronic fuel management systems | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4213181A | Energy dissipation circuit for electromagnetic injection | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4938061A | Current controlled electronic circuit for a hot wire air flow meter | Physics | 12 | Expired |
| US4159505A | Packaging assembly for electronic mechanism | Electricity | 8 | Expired |
| US4123116A | Duty cycle translator with solenoid modeling circuit for adaptive braking system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4214236A | Driver circuit for an electrical load with capability for detecting a short in the load | Electricity | 5 | Expired |
| US4637251A | Symmetrical bridge circuit for measuring mass air flow | Physics | 4 | Expired |
| US4111497A | Pressure command generator with initial condition logic for adaptive braking system | Performing Operations; Transporting | 3 | Expired |
| US4604983A | Analog duty cycle to BCD converter | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4629951A | Control system for reversing the rotation of a field wound motor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4198934A | Signal amplification means | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4120539A | Adaptive braking system with special control for slippery surfaces | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.