George C. Johnson
10Patents
6h-index
8Co-inventors
59Inventor score
Filing activity: Nov 19, 1975 → Jun 6, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4709888A | Hanger apparatus for electrical conduit and the like | Mechanical Engineering; Lighting; Heating | 59 | Expired |
| US4191639A | Process for deasphalting hydrocarbon oils | Performing Operations; Transporting | 29 | Expired |
| US4032428A | Liquefaction of coal | Chemistry; Metallurgy | 10 | Expired |
| US4301122A | Recovery of uranium from phosphate ores | Chemistry; Metallurgy | 9 | Expired |
| US4194969A | Ore beneficiation process | Performing Operations; Transporting | 8 | Expired |
| US5982112A | Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4069144A | Phosphate ore recovery | Performing Operations; Transporting | 2 | Expired |
| US4175944A | Removal of fluorine during production of fertilizer | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6140778A | Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4211756A | Synthesis of zeolite S | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.