Erwin Schmalfeld
2Patents
1h-index
6Co-inventors
37Inventor score
Filing activity: Jun 23, 1982 → Dec 29, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4500770A | Apparatus for making perforations in running webs of paper or the like | Performing Operations; Transporting | 22 | Expired |
| US5625187A | Apparatus for measuring the density of accumulations of fibrous material in multiple rod making machines of the tobacco processing industry | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.