David Rutherford
16Patents
7h-index
9Co-inventors
55Inventor score
Filing activity: Nov 11, 1974 → Oct 31, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4196412A | Driver alert system | Physics | 34 | Expired |
| US4495578A | Microprocessor based over/under speed governor | Performing Operations; Transporting | 30 | Expired |
| US5048064A | Vital rate decoder | Physics | 15 | Expired |
| US4740972A | Vital processing system adapted for the continuous verification of vital outputs from a railway signaling and control system | Physics | 15 | Expired |
| US3960911A | Ferrocene compounds and preparation | Chemistry; Metallurgy | 13 | Expired |
| US4831521A | Vital processor implemented with non-vital hardware | Physics | 9 | Expired |
| US4168526A | Digital circuit generating a vital relay | Physics | 7 | Expired |
| US4036983A | Ferrocene compounds and pharmaceutical composition for use in treatment of iron deficiency in an animal | Chemistry; Metallurgy | 7 | Expired |
| US3966783A | Compounds | Chemistry; Metallurgy | 6 | Expired |
| US5007018A | Vital processor implemented with non-vital hardware | Physics | 6 | Expired |
| US4956779A | Digital overspeed controller for use in a vital processing system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4365298A | Speed control systems for governing the speed of a vehicle | Performing Operations; Transporting | 5 | Expired |
| US4038413A | Treating iron deficiency anaemia | Chemistry; Metallurgy | 4 | Expired |
| US5125090A | Apparatus for vitally sensing binary data for a vital processor implemented with non-vital hardware | Physics | 3 | Expired |
| US4157580A | Fail-safe time delay circuit | Electricity | 2 | Expired |
| US4949273A | Vital processing system including a vital power controller with forgiveness feature | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.