Egon Frey
5Patents
3h-index
11Co-inventors
50Inventor score
Filing activity: Sep 6, 1977 → Sep 4, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4625359A | Windshield wiper unit | Performing Operations; Transporting | 35 | Expired |
| US4723078A | Arrangement for the automatic engagement of a hazard warning system | Performing Operations; Transporting | 13 | Expired |
| US4126820A | Lowerable antenna for radio receivers | Electricity | 5 | Expired |
| US4229853A | Windshield wiper installation for motor vehicles | Performing Operations; Transporting | 3 | Expired |
| US4821018A | Direction indicator and hazard warning device for motor vehicles | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.