Patents for B41F 33 - Indicating, counting, warning, control, or safety devices (10,870) |
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05/01/1979 | US4151986 Sampling apparatus of printed papers from conveyor line thereof |
05/01/1979 | US4151796 Device for automatically controlling deviations in liquid feed in offset presses |
04/17/1979 | US4149802 Device for measuring ink film thickness |
03/27/1979 | US4146798 Ink feed volume measuring device |
03/27/1979 | US4146474 Method and apparatus for controlling dampening water for use in printing machines |
02/27/1979 | US4142105 Method for producing a switching signal on the passage of a contrast jump |
02/21/1979 | EP0000689A1 Method and apparatus for controlling the water-ink balance in offset printing devices |
02/20/1979 | US4140054 Safety devices in an electronic franking machine |
02/13/1979 | US4139765 Apparatus for counting printed products arriving upon a conveyor path in an imbricated product stream and method of operating such apparatus |
02/06/1979 | CA1047786A1 Automatic densitometer and method of color control in multi-color printing |
01/24/1979 | EP0000328A1 Measuring method and device for detecting errors in printed sheets and bands |
12/26/1978 | US4131804 Electrooptical scanning device |
11/28/1978 | US4127265 Sheet sensing device in a rotary printing press |
10/10/1978 | US4119699 Method for wet metallurgical processes |
09/26/1978 | US4117316 Apparatus for controlling operation cycle of duplicating machine |
09/26/1978 | US4116626 Printing of pattern designs with computer controlled pattern dyeing device |
09/26/1978 | US4116125 Control system for positioning units exhibiting dead time in their response to activating signals |
09/12/1978 | US4112842 Drive for sheet-fed rotary printing presses with at least two tandem-mounted printing units |
09/05/1978 | US4112379 Jam detector |
08/29/1978 | US4109574 Control system for positioning units exhibiting dead times |
08/08/1978 | US4105914 Presetting counter device |
04/25/1978 | US4085670 Check digit numbering mechanisms |
04/18/1978 | US4084508 Offset printing machine comprising improved control mechanism |
04/04/1978 | US4082039 Duplicator control by area scanned coded master |
03/14/1978 | US4078487 Control method and control for a web processing machine |
03/07/1978 | US4077318 Apparatus for printing upon moving sheets, paper or the like with automatic typesetting |
02/07/1978 | US4072104 Printing unit drive system |
02/07/1978 | US4072103 Gravure press for making multicolor proofs |
02/07/1978 | US4072100 Numbering machine assembly especially adapted for use with printing machinery |
02/07/1978 | US4072060 Apparatus for sampling printed sheets from a continuous stream of such sheets |
01/31/1978 | US4070761 Printing press with inventory control |
01/17/1978 | US4068582 Automatically controlled numbering machine |
12/27/1977 | US4064804 Duplicator and method of duplicating |
10/11/1977 | US4052937 Printing plate water sensing means and method |
08/23/1977 | US4043265 Ink level warning system |
07/05/1977 | US4034276 Digital signal processor for servo velocity control |
07/05/1977 | US4033260 Control system for multi-color rotary printing machines, especially for alternate one-side and two-side printing |
06/14/1977 | US4029008 Moisture control system |
06/07/1977 | US4027588 Control mechanism for an offset printing machine |
05/03/1977 | US4020759 Method and apparatus for marking a web |
04/19/1977 | US4019187 Ink jet recording apparatus |
04/05/1977 | US4015524 Proofing press |
03/29/1977 | US4014260 Removable guard on cylinders of printing presses |
03/29/1977 | US4014259 Drive for multicolor sheet-fed rotary printing presses with tandem-mounted printing units |
03/22/1977 | US4013357 Copying machine in which, paper jamming at copying paper cutting mechanism is prevented |
03/22/1977 | US4013006 Roll-fed sheet printing apparatus |
01/25/1977 | US4004510 Equipment for introduction of a strip of paper, cardboard or similar material into a printing machine |
01/18/1977 | US4003660 Sensing head assembly for multi-color printing press on-line densitometer |
01/04/1977 | US4000693 Safe access arrangement for driven mechanisms in a printing press |
01/04/1977 | US4000692 Throw-off system for rotary offset printing press |
12/28/1976 | US3999851 Antijamming safety device for copying machine |
12/07/1976 | US3995958 Automatic densitometer and method of color control in multi-color printing |
11/16/1976 | US3991663 Observation of moving webs |
10/19/1976 | US3987429 Malfunction detector system for item conveyor |
10/12/1976 | US3985073 Numbering head attachment for a printing press |
09/21/1976 | US3981238 Method and apparatus for determining doctor blade position in a rotogravure process |
08/31/1976 | US3977309 Observation of moving webs |
07/20/1976 | US3970393 Automatic compensation for densitometer imbalance |
07/20/1976 | US3970000 Label stock overprinting machine |
06/29/1976 | US3965735 Device for measuring pressure between cylinders of a printing press |
06/01/1976 | US3960451 Dampening system on an offset printing press with a device for regulating the amount of water on the plate |
06/01/1976 | US3960077 Printing with blanket having recessed portion |
05/25/1976 | US3958509 Image scan and ink control system |
05/18/1976 | US3956986 Inking system for printing machines |
05/18/1976 | US3956985 Operating lever mechanism for offset printing press |
04/06/1976 | US3948510 Sheet jam detector for electrophotographic copying machine |
03/30/1976 | US3947356 Arrangement for regulating the moistening solution mixture in a moistening solution preparation plant for an offset printing press |
03/30/1976 | US3946669 Printing arrangement alternatively operated for one-side printing and two-side printing with control system therefor |
03/16/1976 | US3944933 Jam detection circuit |
01/06/1976 | US3931570 Apparatus for measuring cell volume in a gravure printing surface |