Helmut Zapf
3Patents
2h-index
7Co-inventors
30Inventor score
Filing activity: Oct 20, 1992 → Jul 15, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5524746A | Individualizing service for sorting particles of a bulk material | Performing Operations; Transporting | 17 | Expired |
| US5379949A | Method for treating particles of a bulk material and method for controlling a roll mill | Performing Operations; Transporting | 10 | Expired |
| US5407141A | Impact mill | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.