Richard E. Speechley
3Patents
3h-index
5Co-inventors
36Inventor score
Filing activity: Aug 17, 1977 → Feb 4, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4334826A | Surface aerator impeller | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4249863A | Surface aerator impeller | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4163631A | Surface aerator impeller | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.