Roy David Schultz
14Patents
8h-index
22Co-inventors
72Inventor score
Filing activity: Jul 20, 1979 → Dec 18, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5663605A | Rotating electrical machine with electromagnetic and permanent magnet excitation | Emerging Cross-Sectional Technologies | 99 | Expired |
| US4868970A | Method of making an electric motor | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4679313A | Method of making a servo motor with high energy product magnets | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4954739A | Servo motor with high energy product magnets | Electricity | 28 | Expired |
| US5483146A | Control system for a vehicle electrical system | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4508988A | Permanent magnet motor stator for d.c. motors | Electricity | 13 | Expired |
| US4307310A | Segmented magnet dynamoelectric machine with series connected rotor conductors | Electricity | 10 | Expired |
| US9093878B2 | Sensorless electric machine | Electricity | 10 | Active |
| US6208057A | Electrical machine with reduced audible noise | Electricity | 3 | Expired |
| US9906108B2 | Sensorless electric machine | Electricity | 2 | Active |
| US9490682B2 | Method and system for alternator thermal protection | Electricity | 2 | Active |
| US9871418B2 | Sensorless electric machine | Electricity | 2 | Active |
| US4283651A | Switching circuit for high current brushes in a dynamoelectric machine | Electricity | 1 | Expired |
| US9160213B2 | Method and system for motor thermal protection | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.