| Patents for B41F 33 - Indicating, counting, warning, control, or safety devices (10,870) |
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| 11/03/1994 | DE4313983A1 Nip pressure measuring device for rolls and gripper systems |
| 10/26/1994 | EP0621131A1 Wetting apparatus and method for offset printing machines |
| 10/19/1994 | EP0620173A1 Detector for periodically detecting pile height |
| 10/18/1994 | US5357448 Method and apparatus for controlling the printing of an image having a plurality of printed colors |
| 10/18/1994 | US5356130 Method and apparatus for detecting faults in a stream of overlapping products |
| 10/13/1994 | DE4311774A1 Safety device for a rotary printing machine for printing on webs |
| 10/12/1994 | EP0619187A1 Printing device |
| 10/11/1994 | US5353702 Device for engaging and disengaging an inking unit and dampening unit drive |
| 10/05/1994 | CN2178618Y Improved fountain roller driver of Haidebau four-colour offset press |
| 10/05/1994 | CN1026079C Combined rotary web-fed printing machine, especially for the printing of securities |
| 09/29/1994 | WO1994021465A1 Document printing device with a device and process for print monitoring |
| 09/29/1994 | DE4309266A1 Verfahren zur Steuerung der Einschaltung des Papierlaufes einer Druckmaschine Method for controlling the activation of the paper run of a printing machine |
| 09/29/1994 | DE4308857A1 Method for controlling the application of ink in a printer |
| 09/28/1994 | EP0616966A1 Anti-wrap device for a web press |
| 09/27/1994 | US5350100 Paper feed device for the transfer station of a printing device with latent character image generation |
| 09/21/1994 | CN2177588Y Automatic brake for sheet cyinder printing press |
| 09/20/1994 | US5347726 Method for reducing chill roll condensation |
| 09/08/1994 | DE4306677A1 Registerstanze für Druckplatten Register punch for printing plates |
| 09/01/1994 | DE4306099A1 Vorrichtung zur Steuerung einer Druckmaschine An apparatus for controlling a printing machine |
| 09/01/1994 | DE4306098A1 Einrichtung zum Steuern einzelner Funktionseinheiten einer Druckmaschine Means for controlling individual functional units of a printing machine |
| 09/01/1994 | DE4305968A1 Hand test set for reflection measurements on coloured control fields of printed sheets |
| 08/30/1994 | US5341736 Safety device at cylinders with a feed gap in web-fed rotary printing machines |
| 08/30/1994 | US5341734 Method and device for regulating a supply of dampening solution in an offset printing press |
| 08/24/1994 | EP0611650A1 Display system for the path of webs |
| 08/18/1994 | DE4304670A1 Recording substrate for controlling a printing machine |
| 08/09/1994 | US5336898 Method and device for automatically determining the dimensions of printing cylinders having a diameter counter |
| 08/09/1994 | US5335597 Method and device for starting and stopping a sheet turning operation and for format adjusting during sheet transport through a printing press |
| 08/09/1994 | US5335424 Gauge for measuring radial distances on a cylindrical surface |
| 08/04/1994 | WO1994016893A1 Device for detecting registration errors between individual colours during multicolour printing in a long web-fed rotary press |
| 08/02/1994 | CA2036775C Printed material monitoring apparatus |
| 07/28/1994 | DE4313862C1 Shaft bearing with sealed casing and load-measuring device |
| 07/28/1994 | DE4302189A1 Elektrisches Zugwerk Electrical tensioning mechanism |
| 07/26/1994 | US5331890 Multicolor printing press |
| 07/26/1994 | CA1330906C Dampening/inking unit for an offset printing machine |
| 07/19/1994 | US5329852 Printed sheet monitoring assembly |
| 07/19/1994 | CA1330718C Device for colour measurement |
| 07/13/1994 | EP0332706B1 High speed image fault detecting method and apparatus |
| 07/12/1994 | US5329466 Registration control device for use in a rotary printing machine |
| 07/12/1994 | US5327826 Register adjustment device on a printing machine with a plurality of printing units and method of operating the device |
| 07/07/1994 | DE4244500A1 Verfahren zum Zuführen von Feuchtmittel A method of supplying fountain solution |
| 07/05/1994 | US5325774 Ribbon path indicator system |
| 06/28/1994 | US5323704 Device for the identification of a flexible roller shell |
| 06/28/1994 | US5323703 Installation for supplying pressurized gas to pressure-medium actuated systems of a printing machine |
| 06/23/1994 | DE4337554A1 Lithographische Offsetdruckmaschine Lithographic offset printing machine |
| 06/23/1994 | DE4242683A1 Controlling ink application in printer unit |
| 06/22/1994 | EP0602312A1 Cooling system for printing machines |
| 06/21/1994 | US5322012 Method and system for the lateral alignment of sheets |
| 06/15/1994 | EP0601259A1 Method and device to determine the required quantity of printing ink for one image in offset printing |
| 06/14/1994 | US5320041 Plate mounted state confirming apparatus |
| 06/08/1994 | EP0600335A1 Method for zonal open/closed loop control of ink supply in a printing machine |
| 06/07/1994 | US5319215 Offset sheet-stacking method and apparatus for facilitating print quality measurements of printed sheets |
| 06/07/1994 | US5317972 Offset printing machine, printing plate and image position reading-out method for offset printing machine |
| 06/01/1994 | EP0599482A2 A method of evaluating print quality on a substrate |
| 06/01/1994 | DE4239052C1 Sheet guide on printing machine - has grippers on cylinders and drums for sheet guide and format adjustment devices |
| 05/31/1994 | US5317390 Method for judging printing sheets |
| 05/28/1994 | CA2109965A1 Microdot 2-dimensional coding |
| 05/26/1994 | WO1994011785A1 On-demand production of lat imaging films |
| 05/26/1994 | WO1994011192A1 Process for influencing the optical density of a printing ink layer on a print carrier |
| 05/26/1994 | DE4239157A1 Pulse train generator for rotating toothed wheel of rotary printer - comprises permanent magnet biassed Hall-effect sensors associated with pole surfaces, which are distributed around wheel at angles less than teeth sepn. angles |
| 05/26/1994 | DE4239086A1 Sheet control device for printing machine transport cylinder - using optical fibres coupled to light source or light detector at one end and sheet control point at opposite end |
| 05/25/1994 | EP0598679A1 Method of numbering for security papers and numbering device for carrying out this method |
| 05/25/1994 | EP0598490A1 Colour registration system for a printing press |
| 05/25/1994 | EP0598057A1 Method and apparatus for automatic densitometer alignment |
| 05/24/1994 | US5313886 Electronic method of positioning a register mark sensor of a sheet printing machine |
| 05/19/1994 | DE4238557A1 Verfahren zur Einstellung der Feuchtmittelmenge bei einer Offset-Rotationsdruckmaschine Method for adjusting the quantity of dampening solution in an offset rotary printing machine |
| 05/17/1994 | US5313278 System for proofing |
| 05/17/1994 | CA1329644C Register measuring system and process |
| 05/10/1994 | US5309838 System for keeping the printing plates of a printing press at a moderate temperature |
| 05/10/1994 | US5309834 Rotary printing machine |
| 05/05/1994 | DE4237004A1 On=line offset printing colour applicator control system - uses calculated colour values over part of printed sheet to derive integrated comparison level |
| 05/03/1994 | CA1329222C Device for positioning plate-shaped pieces during their transfer into a processing machine |
| 05/03/1994 | CA1329050C Process and device for register correction |
| 04/28/1994 | WO1994008791A1 Apparatus for the quality control of a print produced by a printing machine |
| 04/28/1994 | DE4235609A1 Automatic colorimetric characterisation of multicoloured surfaces - involves measuring, classifying and processing measurement value triples from randomly located measurement points |
| 04/27/1994 | EP0593935A1 Registering device for a sheet-fed printing press, and registering method |
| 04/26/1994 | US5305691 Plate lockup device position detecting apparatus for printing press |
| 04/20/1994 | EP0592850A1 Device and method for damping mechanical vibrations in printing machines |
| 04/19/1994 | US5305392 High speed, high resolution web inspection system |
| 04/19/1994 | US5304813 Apparatus for the optical recognition of documents |
| 04/14/1994 | WO1994007695A1 Process and device for adjusting the contact pressure of a synthetic-blanket roller in rotary printing presses |
| 04/12/1994 | US5301866 Web breakage detector |
| 04/06/1994 | EP0590282A1 Control strips for controlling and monitoring the printing process |
| 04/05/1994 | US5300787 Method for setting a sensor which detects the edge of a moving web of material in a contact-free manner |
| 04/05/1994 | CA1328197C Process for ink control in a printing press |
| 03/31/1994 | DE4232163A1 Verfahren und Vorrichtung zum Einstellen der Anpressung einer mit einem Kunststoffmantel versehenen Walze bei Rotationsdruckmaschinen Method and apparatus for adjusting the contact pressure of a provided with a plastic coating roll at a rotary printing machine |
| 03/30/1994 | CN1084455A Printing equipment and method for detecting and modifying printing pr5ocess and position in same |
| 03/29/1994 | CA2018449C Process and device for detecting print register marks on a multi-colour printing press |
| 03/24/1994 | DE4240142C1 Safety device for roller rotation printing machine - comprises at least one gearwheel having toothed crown and wheel body connected to one another by overload coupling |
| 03/23/1994 | EP0588188A1 Device for engaging and disengaging the inking unit drive and the dampening unit drive |
| 03/17/1994 | DE4244278C1 Circuit for detecting alignment-register marks produced by multicoloured printing - contains differentially connected photoelectric sensors, trigger circuit and evaluation device with interconnected counters |
| 03/17/1994 | DE4230451A1 Measuring density value of colour negative - forming colour spectrum of light passing through negative and weighting individual wavelengths using liquid crystal attenuators whose transmissivity corresponds to sensitivity of printing material |
| 03/16/1994 | EP0586907A1 Computer for controlling a machine, especially a printing press |
| 03/10/1994 | DE4229645A1 Automatic regulation system for printing machine operating sequence - monitors position of printed material and machine operating rate to set printing machine function elements |
| 03/09/1994 | EP0585740A1 Method for printing process control on a printing press using halftone photoengraving in particular a sheet offset printing machine |
| 03/03/1994 | DE4228904A1 Checking printing forms e.g. of non-impact printer for quality control prior to printing - using photoelectric or piezoelectric scanner to generate digital signals which reproduce surface structure and position of register marks from each form in set, and comparing with stored values |
| 03/02/1994 | EP0584637A2 Method and apparatus for recognizing meandering in printed matter test system and method and apparatus for correcting image pickup position in this system |
| 03/02/1994 | EP0584497A1 Safety device in the feeder of a paper sheet processing machine |
| 03/01/1994 | US5289770 Device for presetting a cut-off register in a folder of a web-fed printing press |
| 02/24/1994 | DE4226842C1 Offset printing-press control panel - has control desk movable from stowed into working |
| 02/16/1994 | EP0582973A1 Preset state displayer adjusting apparatus |