| Patents for B41F 33 - Indicating, counting, warning, control, or safety devices (10,870) |
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| 06/29/1993 | US5223720 Predicting register mark position with data shifting and coincidence detection |
| 06/29/1993 | CA1319560C Simplified lithography using ink and water admixtures |
| 06/24/1993 | DE4141950A1 Control system for multi-operation sheet feed printing machine - has shaft position transmitters, electronic cam-switch analogue, programmed controller and direct switches sequence control network |
| 06/22/1993 | CA1319294C Process for the monitoring and/or feed back control of the damping in an offset printing press |
| 06/16/1993 | EP0546651A1 Method and apparatus for presetting ink roller cleaning speed |
| 06/09/1993 | EP0545507A2 Method and apparatus for recognizing paster portion of web |
| 06/09/1993 | EP0545004A2 Driving device for rotary printing machines |
| 06/09/1993 | CN1072886A Method and apparatus to adjust duct screw of printing set |
| 06/08/1993 | US5218555 Method for judging a color difference using rules fuzzy inference and apparatus therefor |
| 06/02/1993 | EP0544111A1 Apparatus for measuring the pressing force of roll and gripping systems |
| 06/01/1993 | US5215011 Device for scanning pale color marks on a printing machine |
| 05/26/1993 | EP0543281A1 Control system for rotary printing machines |
| 05/26/1993 | CN1072376A Direct double-face printing process for laser printing |
| 05/25/1993 | US5213036 Sheet feeding apparatus |
| 05/25/1993 | CA1318184C Process for the determination of the consumption of printing ink in an offset printing press |
| 05/19/1993 | EP0541990A1 Register control device in a rotary printing machine |
| 05/19/1993 | EP0466712B1 Paper feed device for the transfer station of an electrophotographic printing device |
| 05/19/1993 | EP0466703B1 Non-mechanical rapid-printing device with feed mechanism for a continuous paper strip |
| 05/19/1993 | DE4218071A1 Multicolour printing press assembly - has several printing sections arranged vertically and each having plate cylinder |
| 05/19/1993 | CN1072135A Method and system for determining end of cloth roll for use in blanket cleaners for printing press |
| 05/13/1993 | DE4136785A1 Diagnosis unit for cyclic recurrent pulse sequence prodn. unit at printing machine - has rotation transmitter coupled to single revolution shaft and storage programmable control arranged across camshaft gear and initiator connected to control |
| 05/12/1993 | EP0540919A1 Trunion for guide rolls in rotary printing machines |
| 05/12/1993 | EP0540833A2 Quality control of an image, for example a printed pattern |
| 05/11/1993 | US5209161 Method of mutually adjusting single-colour images on a multicolour rotary printing press |
| 05/05/1993 | EP0540430A2 Printing device, and printing state and printing position detection and correction methods for printing device |
| 05/04/1993 | US5208655 Method and apparatus for automatic densitometer alignment |
| 04/28/1993 | EP0538672A1 Web break switch for machines using webs |
| 04/27/1993 | US5206707 Apparatus for the analysis of print control fields |
| 04/21/1993 | EP0537431A1 Device for the optical recognition of documents |
| 04/21/1993 | CN1071272A Quality control of image copy, for example of printed sample |
| 04/14/1993 | EP0476035B1 A method and a system for control of printing processes |
| 04/13/1993 | US5202959 Color measurement |
| 04/13/1993 | US5201509 Method and device for controlling a drive unit of a pile-lifting device at a sheet-fed printing machine |
| 04/13/1993 | US5201337 Apparatus for mixing fluids of different specific gravity |
| 04/13/1993 | US5201272 Device and process for detecting, in a machine, the position of contact of two parallel-axis rollers |
| 04/13/1993 | CA2013363C Method of operating a printing machine during start-up or run-on |
| 04/08/1993 | DE4132956A1 Synchronising unit for rotation angle control for start and stop of printing press - has pulse generating system contg. pulse transmitter and pulse stage also reserve synchronising unit arranged between pulse stage and control unit |
| 03/31/1993 | EP0534720A1 Register marks |
| 03/31/1993 | CN1070364A Screen printing device with continuous registering of rotating stencils |
| 03/30/1993 | US5197717 Safety device for protecting personnel against falling from a platform of a printing press |
| 03/24/1993 | EP0533307A1 Automatic plate exchange/plate registration method and apparatus |
| 03/24/1993 | EP0533306A2 Method and apparatus for recognizing meandering of web |
| 03/24/1993 | EP0533305A2 Method and apparatus for detecting defective printed matter in printing press |
| 03/24/1993 | EP0533043A1 Arrangement for photoelectrically monitoring the movement of webs or sheets, in particular paper webs in rotary printing machines |
| 03/18/1993 | DE4130679A1 Appts. preventing damage to rotary printer mechanism - ensures cutting of paper strip before and behind printing station as soon as tearing is detected |
| 03/17/1993 | EP0531675A1 Method and device for adjusting ink zone duct keys into their respective positions |
| 03/16/1993 | US5193690 Method of and apparatus for automatically inspecting an exposed and bent lithographic plate |
| 03/10/1993 | EP0530612A1 Side register and overload control in a sheet printing machine |
| 03/10/1993 | EP0530432A2 Web press monitoring system |
| 03/04/1993 | DE4128861A1 Safety circuit for separate or coupled electrical drives such as printing units - has relay circuits with coupled control lines that connect to switching circuitry |
| 03/03/1993 | EP0529764A1 Method and system for determining the end of a cloth roll for use in blanket cleaners for printing presses |
| 03/03/1993 | EP0529376A1 Device for adjusting the ink zone screws of the ink fountains in a printing machine |
| 03/03/1993 | EP0529257A1 Method for setting a production run ink zone profile |
| 03/02/1993 | US5190201 Method and apparatus for detecting the presence of a web within a web dryer |
| 02/24/1993 | CN1069227A Procedure for judging printed sheets |
| 02/23/1993 | US5188028 Printing machine damage control system, and damage control method |
| 02/18/1993 | WO1993003325A1 Method and apparatus for automatic densitometer alignment |
| 02/18/1993 | DE4206366A1 Printed sheet quality assembly method |
| 02/18/1993 | DE4127227A1 Textile printing - using intermittently advancing flat bed with automatic stencil location and magnetically coordinated scraper motion |
| 02/17/1993 | EP0527453A1 Device for monitoring printed sheets in a sheet fed rotary printing machine |
| 02/17/1993 | EP0527407A1 Arrangement for controlling inking in printing machines, specially in offset sheet-fed printing machines |
| 02/17/1993 | EP0527285A2 Method for evaluating the quality of printed sheets |
| 02/16/1993 | US5187376 Print monitoring apparatus with data processing |
| 02/16/1993 | US5186105 Device for monitoring sheet movement near the lay marks of sheet-fed offset printing presses |
| 02/09/1993 | US5185644 Sensor for water film on a plate in printing machines |
| 02/09/1993 | US5184555 Apparatus for reducing chill roll condensation |
| 02/09/1993 | US5184551 Printing press |
| 02/09/1993 | US5184550 Device for controlling wetting behavior of metal surfaces by application of electrolyte under controlled voltage |
| 02/03/1993 | EP0525450A1 Device for severing and clamping a torn web |
| 02/02/1993 | US5182993 Ink supply source driving apparatus for rotary presses |
| 02/02/1993 | CA1313388C Spray dampener valve assembly and control system |
| 02/02/1993 | CA1313305C Device for measuring paper or the like lying on a table |
| 01/27/1993 | EP0524753A1 A system for proofing |
| 01/27/1993 | CN1068295A Protection device for preventing fall on table of printing machine |
| 01/26/1993 | US5182721 Process and apparatus for controlling the inking process in a printing machine |
| 01/26/1993 | US5181468 Pretensioned jack for controlling the operating pressure between two rotary cylinders |
| 01/26/1993 | US5181467 Automatic dampening water replenisher |
| 01/20/1993 | EP0523364A1 Device for the transport of printed matter and its subsequent processing in sheet processing rotary printing machines |
| 01/19/1993 | US5181257 Method and apparatus for determining register differences from a multi-color printed image |
| 01/19/1993 | US5181081 Print scanner |
| 01/14/1993 | DE4122954A1 Detecting position of printing plates in printing plate measurement device - involves line wire measurement of pixels along plate edges to detect intensity step, measurement location coordinate storage and processing |
| 01/13/1993 | EP0522640A1 Screen printing device with continuous registering of rotating stencils |
| 01/13/1993 | EP0522332A1 Computer for controlling a machine, especially a printing press |
| 01/13/1993 | EP0522301A1 Method for monitoring and controlling the printing process, especially in offset printing machines |
| 01/13/1993 | EP0522149A1 Apparatus and method for printing of images with compensation for dislocation of printing media. |
| 01/12/1993 | US5178069 Protective device for offset rotary printing machines |
| 01/12/1993 | US5177975 Apparatus for preparation of process water for presses |
| 01/07/1993 | EP0521158A1 Sheet feeding device |
| 01/06/1993 | CA2069823A1 Device for the feeding of printing material and its further processing in sheet-fed rotary printing presses |
| 01/05/1993 | US5176078 Screen printing machine |
| 12/30/1992 | CN1019651B Method for damping control in offset press |
| 12/29/1992 | US5174758 Color selector for four-color offset printing, and method of creating it |
| 12/29/1992 | US5174210 Preparation of the inking unit of a printing press for a change of printing job |
| 12/23/1992 | WO1992022980A1 A method for displaying multitone images |
| 12/23/1992 | CA2089490A1 Method for displaying multitone images |
| 12/17/1992 | DE4119400A1 Viscous medium printing system on circuit carrier with circuit pattern - has printing template held by pivoting frame and observation device with semi-transparent mirror |
| 12/16/1992 | EP0518559A1 A method and apparatus for creating a control strip |
| 12/16/1992 | EP0518234A1 Electronically controlled device and method for driving the ink fountain rollers |
| 12/16/1992 | EP0518084A1 Offset printing press with controlled formation of emulsion |
| 12/16/1992 | CN2124811U Colour register longitudinal adjustment apparatus for colour printing press |