Ralph E. Shirley
6Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Mar 9, 1981 → Jun 8, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4642770A | Vehicle accessory control system | Physics | 16 | Expired |
| US6533528B2 | Support frame for front attached implements of an operating machine and associated locating pins | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5178039A | Modular transmission | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4860614A | Transmission differential | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4396099A | Control system for a clutch | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6424054B1 | Vehicle steering mode selection control | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.