Volkwin Hoffelner
7Patents
4h-index
1Co-inventors
47Inventor score
Filing activity: Mar 19, 1982 → Mar 5, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD597315S1 | Combined ice scraper and brush | General | 27 | Expired |
| US4437428A | Device for generating sound waves at relatively high frequencies | Physics | 23 | Expired |
| USD656736S1 | Combined ice scraper and brush | General | 21 | Expired |
| USD652218S1 | Combined ice scraper and brush | General | 14 | Expired |
| US4858868A | Mounting unit with adjustable lockable pivot arm | Performing Operations; Transporting | 4 | Expired |
| US4563815A | Device for cutting through automobile belts with a knife | Performing Operations; Transporting | 3 | Expired |
| US4527742A | Washing appliance | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.