Robert K. Mitchell
44Patents
16h-index
26Co-inventors
81Inventor score
Filing activity: Dec 23, 1974 → May 9, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5388176A | DC motor speed control system | Emerging Cross-Sectional Technologies | 75 | Expired |
| US5474033A | Animal teaching/amusement device | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6230678A | Starting and stopping device for internal combustion engine | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5320795A | Molded camshaft assembly | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6386169B1 | Starting and stopping device for internal combustion engine | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4372433A | Combination clutch/brake mechanism | Human Necessities | 31 | Expired |
| US6311663A | Starting and stopping device for internal combustion engine | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6263852A | Starting and stopping device for internal combustion engine | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6260529A | Starting and stopping device for internal combustion engine | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5234038A | Pour spout | Performing Operations; Transporting | 24 | Expired |
| USD456051S1 | Exercise device | General | 24 | Expired |
| US6595176B2 | Engine starting and stopping device | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6647942B2 | Engine starting and stopping device | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5406994A | Portable gasoline container | Performing Operations; Transporting | 20 | Expired |
| US6012420A | Automatic air inlet control system for an engine | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6145487A | Automatic air inlet control system for an engine | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4205737A | Clutch-brake mechanism for rotary mower engines | Human Necessities | 16 | Expired |
| USD451971S | Exercise device | General | 15 | Expired |
| US3958906A | Rotary engine with modified trochoidally shaped inner wall | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6237555A | Spark blanking apparatus for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6239709A | Liquid level sensor for internal combustion engine | Physics | 13 | Expired |
| US6983736B2 | Governor stabilizer | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5904124A | Enrichment apparatus for internal combustion engines | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5310317A | Quadra-tang dovetail blade | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5271718A | Lightweight platform blade | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.