Robert Shepherd
9Patents
5h-index
8Co-inventors
56Inventor score
Filing activity: Jun 2, 1987 → Apr 13, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD715790S1 | Apparatus support bracket | General | 90 | Active |
| US6913325B2 | Electrically operable vehicle parking brake drive | Performing Operations; Transporting | 12 | Expired |
| US4714142A | Railway car hand brake with release governor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5753987A | Generator apparatus coupled to side frame of vehicle and energized by rotation of axle on vehicle | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7559411B2 | Handbrake having input load limiter | Emerging Cross-Sectional Technologies | 5 | Active |
| US5039174A | Empty/load braking system for railroad cars and valve therefor | Performing Operations; Transporting | 5 | Expired |
| US7878309B2 | Quick release hand brake | Emerging Cross-Sectional Technologies | 4 | Active |
| US6112860A | Vehicle brake status indicating apparatus | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5192119A | Protective cover for emply/load valve actuator | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.