Robert Johnson
9Patents
7h-index
6Co-inventors
56Inventor score
Filing activity: May 17, 1982 → Sep 23, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6363932B1 | Aerosol enhancement device | Human Necessities | 123 | Expired |
| US4455553A | Smoke detector of the ionization type | Physics | 47 | Expired |
| US5857350A | Evaporative cooling device | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7204245B2 | Aerosol enhancement device | Human Necessities | 40 | Expired |
| US5279676A | Method for cleaning a boiler | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5193491A | Cleaning system for boiler | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4456907A | Ionization type smoke detector with test circuit | Physics | 8 | Expired |
| US4564762A | Smoke detector | Physics | 7 | Expired |
| US6895772B2 | Oscillating evaporative cooling device | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.