David Stewart
21Patents
7h-index
17Co-inventors
66Inventor score
Filing activity: Oct 30, 1980 → Oct 1, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4708831A | Methods of and/or apparatus for humidifying gases | Emerging Cross-Sectional Technologies | 194 | Expired |
| US5529060A | Humidifiers with control systems to prevent condensation | Human Necessities | 156 | Expired |
| US4562275A | Antitumor platinum complexes | Human Necessities | 24 | Expired |
| US4386718A | Liquid dispensing means with novel air bleed valve | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4775763A | Metal extractants | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5870871A | Sump liner and method of installation | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4581220A | Process for the extraction of metal values and novel metal extractants | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4594418A | Antitumor platinum complexes | Human Necessities | 6 | Expired |
| US4739087A | Antineoplastic platinum complexes | Chemistry; Metallurgy | 6 | Expired |
| US4696801A | Process for the extraction of metal values with bisimidazole metal extractants | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5215581A | Composition and use | Chemistry; Metallurgy | 5 | Expired |
| US4525330A | Process for the extraction of metal values and novel metal extractants | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5168763A | Method and apparatus for collecting coreflood fluids | Physics | 4 | Expired |
| US4822880A | Process for the extraction of metal values and novel metal extractants | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4923686A | Process for the extraction of metal values | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7202731B2 | Variable distortion limiter using clip detect predictor | Electricity | 3 | Expired |
| US4683310A | Pyridine dicarboxylic ester metal extractants | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7879391B2 | Apparatus and process for making tape useful as a tire cap ply | Emerging Cross-Sectional Technologies | 2 | Active |
| US5254695A | Substituted triazoles | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9258011B2 | Efficient two-stage asynchronous sample-rate converter | Electricity | 1 | Active |
| US4879388A | Extraction of metal values | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.