Daniel H. Shapiro
5Patents
3h-index
3Co-inventors
50Inventor score
Filing activity: Mar 14, 1979 → Oct 7, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4277261A | Reusable helical filter for high temperature gases | Performing Operations; Transporting | 8 | Expired |
| US4276065A | Reusable disc filter with spacing bosses for high temperature gasses | Performing Operations; Transporting | 6 | Expired |
| US9920440B2 | Electrochemical stack device | Emerging Cross-Sectional Technologies | 4 | Active |
| US4269613A | Reusable disc filter with foil spacers for high temperature gases | Performing Operations; Transporting | 3 | Expired |
| US4277262A | Reusable axial filter for high temperature gases | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.