Henry Epstein
4Patents
3h-index
2Co-inventors
33Inventor score
Filing activity: May 12, 1986 → Aug 13, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4643110A | Direct fuel-fired furnace arrangement for the recovery of gallium and germanium from coal fly ash | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4678647A | Process for the recovery of gallium and germanium from coal fly ash | Chemistry; Metallurgy | 7 | Expired |
| US4757770A | Condensate sand collection system | Chemistry; Metallurgy | 6 | Expired |
| US4757772A | Sand collection system | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.