Gisbert Burkhardt
7Patents
6h-index
5Co-inventors
48Inventor score
Filing activity: Feb 27, 1974 → Aug 25, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3981493A | Apparatus for separating a letter stack | Performing Operations; Transporting | 48 | Expired |
| US4077620A | Apparatus for the successive release of items of mail from a stack | Physics | 38 | Expired |
| US4527792A | Apparatus for changing the direction of motion of letters and similar rectangular pieces of mail | Performing Operations; Transporting | 21 | Expired |
| US4047712A | Conveyor-distributor apparatus for flat items | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4446962A | Conveying device with pusher fingers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4147252A | Conveyor with pusher fingers | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4168133A | Feeding station for a sorting conveyor | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.