Ralph Mitchell
7Patents
7h-index
6Co-inventors
56Inventor score
Filing activity: Jun 12, 1975 → Apr 26, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4713347A | Measurement of ligand/anti-ligand interactions using bulk conductance | Emerging Cross-Sectional Technologies | 240 | Expired |
| US5554921A | Battery charger apparatus and method with multiple range current control | Electricity | 23 | Expired |
| US5500579A | Electric motor control with integral battery charger | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5809185A | Sensor for detecting microorganisms | Physics | 20 | Expired |
| US4220688A | Protecting wood from wood degrading organisms | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4780656A | Drive and protection system for variable speed motor | Electricity | 15 | Expired |
| US4001197A | Magnetic separation method | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.