Franz Friedl
5Patents
5h-index
9Co-inventors
56Inventor score
Filing activity: May 22, 1974 → Oct 31, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4997325A | Chuck for axially clamping two machine parts which are releasable from each other | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5443340A | Coupling device between a workpiece holder or a tool holder and an arrangement for handling same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5186476A | Clamping device for gripping a tool in a tool carrier | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5509763A | Coupling device for a workpiece or tool holder | Emerging Cross-Sectional Technologies | 5 | Expired |
| US3973749A | Hollow formwork elements for producing concrete structures | Fixed Constructions | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.