Robert A. Willoughby
4Patents
4h-index
4Co-inventors
39Inventor score
Filing activity: Nov 29, 1978 → Nov 5, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4844177A | Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like | Performing Operations; Transporting | 42 | Expired |
| US4880064A | Torque sensing, automatic shut-off and reset clutch for screwdrivers, nutsetters and the like | Performing Operations; Transporting | 32 | Expired |
| US4243111A | Automatic shut-off valve for power tools | Performing Operations; Transporting | 14 | Expired |
| US4218853A | Energy absorbing keyhole slots | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.