Charles C. Matthews
8Patents
7h-index
3Co-inventors
52Inventor score
Filing activity: Mar 5, 1981 → Oct 28, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4494177A | Articulated task lamp | Mechanical Engineering; Lighting; Heating | 155 | Expired |
| US5204310A | High activity, high density activated carbon | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5276000A | Preparation for high activity, high density carbon | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5238470A | Emission control device | Chemistry; Metallurgy | 36 | Expired |
| US4591016A | Brake system in a vehicle hybrid drive arrangement | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4824119A | Back spelling card game | Human Necessities | 15 | Expired |
| USD280030S | Balanced light for drafting tables | General | 13 | Expired |
| US4383375A | Drafting apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.