Charles L. Matheson
8Patents
8h-index
13Co-inventors
62Inventor score
Filing activity: Nov 23, 1981 → Sep 2, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5662799A | Slow release coolant filter | Mechanical Engineering; Lighting; Heating | 95 | Expired |
| US5171430A | Plastic filter | Emerging Cross-Sectional Technologies | 90 | Expired |
| USRE37369E | Slow release coolant filter | General | 88 | Expired |
| US5772873A | Slow release coolant filter | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| USD298051S | Air filter housing for mounting on an internal combustion engine | General | 28 | Expired |
| US4440193A | Valve assembly | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4619677A | Disposable air filter assembly and method of making same | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4753266A | Valve assembly | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.