Gary Campbell
11Patents
8h-index
11Co-inventors
65Inventor score
Filing activity: Nov 6, 1991 → Apr 14, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6652625B1 | Analyte pre-concentrator for gas chromatography | Physics | 49 | Expired |
| US6814785B2 | Analyte pre-concentrator for gas chromatography | Physics | 29 | Expired |
| US5328059A | Sealed bottle water system | Performing Operations; Transporting | 25 | Expired |
| US6974495B2 | Analyte pre-concentrator for gas chromatography | Physics | 21 | Expired |
| US5240043A | Water system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7311757B2 | Analyte pre-concentrator for gas chromatography | Physics | 15 | Expired |
| US5213597A | Filtration system for bottled water dispenser with check valve | Performing Operations; Transporting | 14 | Expired |
| US7572319B2 | Analyte pre-concentrator for gas chromatography | Physics | 12 | Active |
| US8633609B2 | Sub sea central axis turbine with rearwardly raked blades | Emerging Cross-Sectional Technologies | 8 | Active |
| US6562106B2 | Atmosphere treatment device for sealed containers | Performing Operations; Transporting | 4 | Expired |
| US7654082B2 | System of underwater power generation | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.