MAN Roland Druckmaschinen AG
1,025Patents
54Active
1,025Granted
47Portfolio score
Filing activity: Dec 1, 1978 → May 15, 2008 · 54 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4639881A | Data input unit and method for printing machines | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5897260A | Print job allocation system | Performing Operations; Transporting | 63 | Expired |
| US5181257A | Method and apparatus for determining register differences from a multi-color printed image | Physics | 58 | Expired |
| US4484522A | System for reducing setting-up time in printing machines having register adjustment devices | Performing Operations; Transporting | 55 | Expired |
| US6408748B1 | Offset printing machine with independent electric motors | Performing Operations; Transporting | 52 | Expired |
| US4823693A | Printing cylinder sleeve application apparatus and method | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5163012A | Apparatus for carrying out the comprehensive quality control of printed sheets | Performing Operations; Transporting | 47 | Expired |
| US5117753A | Multi-station printing machine system | Performing Operations; Transporting | 45 | Expired |
| US4553478A | Printing machine pre-setting arrangement | Performing Operations; Transporting | 43 | Expired |
| US4502042A | Proximity switch, which indicates the presence or absence of field changing objects at a defined distance from the proximity switch by a binary signal with the aid of excitation and detection of a field | Physics | 43 | Expired |
| US4572071A | Device for guiding sheets printed on one or both sides | Performing Operations; Transporting | 42 | Expired |
| US5625758A | Communication process and communication system for computer-assisted printing | Performing Operations; Transporting | 40 | Expired |
| US4599943A | Electrostatic-charge-and chemical-attack-resistant printing cylinder construction | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4807527A | Printing machine cylinder holder arrangement | Performing Operations; Transporting | 40 | Expired |
| US6125756A | Erasable printing plate having a smooth pore free ceramic or glass surface | Performing Operations; Transporting | 39 | Expired |
| US6408747B1 | Offset printing unit | Performing Operations; Transporting | 38 | Expired |
| US5595115A | Printing mechanism including means for cooling and means for mounting sleeve shaped forms on transfer and form cylinders | Performing Operations; Transporting | 37 | Expired |
| US5072671A | System and method to apply a printing image on a printing machine cylinder in accordance with electronically furnished image information | Performing Operations; Transporting | 37 | Expired |
| US5556252A | Stack lifting apparatus and method | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5351615A | Offset blanket for a grooveless blanket cylinder composed of a carrier plate and a rubber layer placed thereon | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5826505A | Drive for a printing press | Performing Operations; Transporting | 34 | Expired |
| US6019039A | Web-fed rotary printing press for rapid change in production | Performing Operations; Transporting | 34 | Expired |
| US6601503B2 | Method and device for coupling in/out a cylinder in a printing machine | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4453465A | Web turning rod having air flow control means | Performing Operations; Transporting | 33 | Expired |
| US5316798A | Method of making a cylindrical sleeve structure, particularly cover for an offset cylinder in a rotary printing machine | Performing Operations; Transporting | 33 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.