Josef Hajek
14Patents
7h-index
9Co-inventors
59Inventor score
Filing activity: Apr 30, 1980 → Jul 27, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6408748B1 | Offset printing machine with independent electric motors | Performing Operations; Transporting | 52 | Expired |
| US6644184B1 | Offset printing machine | Performing Operations; Transporting | 21 | Expired |
| US5100117A | Web guiding system, particularly turning bar system for superposing slit paper webs received from a web-fed rotary printing machine | Performing Operations; Transporting | 21 | Expired |
| US5341735A | Rotary printing machine system with synchronized multiple printing machine units or stations | Performing Operations; Transporting | 12 | Expired |
| US4821640A | Printing machine register adjustment system | Performing Operations; Transporting | 8 | Expired |
| US5379694A | Lateral register system for printing forms | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4321051A | Method of making a folding former | Performing Operations; Transporting | 7 | Expired |
| US4406224A | Ink through and doctor blade assembly for printing machines | Performing Operations; Transporting | 6 | Expired |
| US5121910A | System for interleaving and mixing a plurality of webs, particularly slit webs received from a printing machine | Performing Operations; Transporting | 5 | Expired |
| US6779446B2 | Offset printing machine | Performing Operations; Transporting | 5 | Expired |
| US4429630A | Printing machine milling roller drive system | Performing Operations; Transporting | 3 | Expired |
| US7000539B2 | Offset printing machine | Performing Operations; Transporting | 2 | Expired |
| US7159513B2 | Offset printing machine | Performing Operations; Transporting | 0 | Expired |
| US7146908B2 | Offset printing machine | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.