Josef Frech
6Patents
6h-index
6Co-inventors
45Inventor score
Filing activity: Apr 30, 1984 → Jan 7, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4583449A | Coffee percolator for selectively making normal coffee or espresso | Human Necessities | 28 | Expired |
| USD309842S | Coffee machine | General | 27 | Expired |
| USD298504S | Coffee machine | General | 19 | Expired |
| USD298505S | Coffee machine | General | 18 | Expired |
| USD298401S | Coffee machine | General | 13 | Expired |
| USD298400S | Coffee machine | General | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.