Karl Klappenecker
3Patents
2h-index
2Co-inventors
34Inventor score
Filing activity: Feb 27, 1974 → Dec 24, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3981493A | Apparatus for separating a letter stack | Performing Operations; Transporting | 48 | Expired |
| US4993319A | Imprinting device equipped with an adjustable counterpressure cylinder | Performing Operations; Transporting | 2 | Expired |
| US5095820A | Printing unit including an inking assembly | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.