Edward R. Johnson
8Patents
6h-index
6Co-inventors
52Inventor score
Filing activity: Jan 13, 1977 → Feb 16, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5187806A | Apparatus and method for expanding cellular system capacity | Electricity | 46 | Expired |
| US4783843A | Split band filter for cellular mobile radio | Electricity | 37 | Expired |
| USD319804S | Combined zipper pull, bag tag, LCD clock, keyring and thermometer | General | 28 | Expired |
| US4840734A | Process for absorbing liquid leaks and spills | Fixed Constructions | 22 | Expired |
| US4140473A | Apparatus and method to control process to replace natural gas with fuel oil in a natural gas burner | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4430744A | Adaptive IF equalizer for digital transmission | Electricity | 8 | Expired |
| US4941198A | Communications repeater monitoring system | Electricity | 4 | Expired |
| US4140472A | Method and apparatus to replace natural gas with vaporized fuel oil in a natural gas burner | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.