| Patents for B41F 21 - Devices for conveying sheets through printing apparatus or machines (4,769) |
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| 05/20/1980 | US4203363 Sheet gripper for printing cylinder and the like |
| 05/20/1980 | US4203361 Sheet-fed rotary printing machine |
| 05/13/1980 | US4202268 Transfer drum for printing presses with devices for gripping the leading and trailing edges of a sheet which is being imprinted |
| 05/13/1980 | US4202266 Staging mechanism for duplexing copy machines |
| 04/29/1980 | CA1076620A1 Transfer drum for printing machines which is adjustable to variable sheet lengths |
| 04/15/1980 | CA1075531A1 Vacuum cylinder for printing presses |
| 04/08/1980 | US4196665 Printing machine arrangements |
| 03/04/1980 | CA1072815A1 Device for sequential overturning of sheets in multi-colour offset printing machines |
| 02/19/1980 | US4188883 Rotary printing machine |
| 01/09/1980 | EP0006402A1 Camless drive for an oscillating front gripper |
| 12/12/1979 | EP0005863A1 Pneumatic side-pull-device for lateral alignment of a sheet on the feeding board of a sheet treating machine, particularly of a printing machine |
| 12/12/1979 | EP0005715A1 Transfer cylinder with two sheet-supporting surfaces for convertible perfecting printing machines |
| 12/04/1979 | US4176945 Sheet feeding apparatus for use with copier/duplicators or the like |
| 11/28/1979 | EP0005435A1 Method for producing multi-colour prints with exact colour registration |
| 08/28/1979 | US4165689 Device for sequential overturning of sheets in multi-color offset printing machines |
| 05/22/1979 | US4155305 Bending-resistant gripper carriage for use in offset printing machines, and process for manufacture thereof |
| 05/08/1979 | US4153242 Sheet feed apparatus |
| 04/03/1979 | US4147105 Protective device for a perfector printing press |
| 03/20/1979 | US4145040 Gripper drum |
| 03/20/1979 | US4145039 Method and apparatus for conveying sheets of corrugated cardboard or similar material through a processing machine |
| 02/20/1979 | CA1049055A1 Sheet transfer cylinder for rotary sheet printing machines |
| 01/30/1979 | US4136604 Method and apparatus for separating individual blanks of a multiple cardboard blank |
| 01/09/1979 | US4133263 Sheet-turning drum for printing machines convertible from printing on one side of a sheet to printing on both sides of a sheet and vice versa |
| 01/02/1979 | US4132403 Sheet transfer apparatus for printing machine |
| 12/20/1978 | EP0000011A1 Rotary sheet printing machine. |
| 11/28/1978 | US4127265 Sheet sensing device in a rotary printing press |
| 10/31/1978 | US4122773 Change-over means for a storage drum for sheet transferral |
| 10/17/1978 | US4120492 Gripper mechanism |
| 10/17/1978 | US4120244 Gripper movement changeover device on a sheet-turning drum for perfector printing machines |
| 09/05/1978 | US4111123 Bending-resistant gripper carriage support structure, particularly for offset printing machines |
| 08/15/1978 | US4106763 Cassette type sheet feed apparatus for copying machine or the like |
| 07/18/1978 | US4101122 Sheet turn-over device for a first-form printing and perfecting press with clamping grippers |
| 07/11/1978 | US4099463 Support arrangement for guiding sheets through a printing machine |
| 07/04/1978 | US4098187 Device for reversing the operation of grippers of a sheet-turning drum in a printing machine for printing selectively on one or both sides of a sheet |
| 04/18/1978 | US4084508 Offset printing machine comprising improved control mechanism |
| 03/28/1978 | US4081723 Printing machine |
| 02/28/1978 | US4075896 Mechanism for the variable-speed drive of the automatic sheet feeder drum |
| 01/31/1978 | US4070968 Gripper for printing machines |
| 11/29/1977 | US4060238 Device for the smooth and flutter-free feeding of sheets on sheet-fed machines, particularly offset printing presses |
| 10/04/1977 | US4052055 Arrangement for driving a rocking initial gripper |
| 08/23/1977 | US4043548 Sheet-carrying disc for sheet transfer drums |
| 08/02/1977 | US4038921 Means to connect printing presses in tandem |
| 07/05/1977 | USRE29289 Printing press with variable speed transfer cylinder |
| 07/05/1977 | US4033260 Control system for multi-color rotary printing machines, especially for alternate one-side and two-side printing |
| 06/14/1977 | US4029009 Printing machine construction |
| 05/31/1977 | US4026209 Sheet-fed rotary printing press for printing on both sides of a sheet |
| 05/24/1977 | US4024814 Transfer drum in sheet-fed rotary printing presses |
| 04/26/1977 | US4019435 Sheet inverting |
| 04/19/1977 | US4018161 Printing machine with sheet-transfer arrangement |
| 04/05/1977 | US4015522 Multicolor sheet-fed printing press |
| 03/29/1977 | US4014261 Conversion device of a storage drum for sheet transfer |
| 03/22/1977 | US4013006 Roll-fed sheet printing apparatus |
| 01/25/1977 | US4004512 Sheet transfer drum for printing presses |
| 01/18/1977 | US4003310 Control apparatus for gripper finger shaft for printing press |
| 12/28/1976 | US3999480 Apparatus for effecting secondary printing in the course of paper delivery in addition to primary printing achieved within the body of an offset printing machine |
| 11/23/1976 | US3992993 Sheet transfer system for a printing machine |
| 10/19/1976 | US3986455 Sheet guiding drum for printing presses |
| 10/12/1976 | US3985074 Offset printing machines |
| 09/14/1976 | US3980292 Device for parallely feeding objects to be printed in a printing machine |
| 08/31/1976 | US3977672 Auxiliary mechanism for lifting stock to press intake |
| 08/03/1976 | US3972413 Chain conveyor for printing presses |
| 06/01/1976 | US3960079 Rotary printing press |
| 05/11/1976 | US3955667 Endless conveyor with gripping elements |
| 05/11/1976 | US3955494 Device for preventing an image of a printing master from being printed in an inclined position |
| 05/04/1976 | US3954261 Inked paper transport mechanism employing a pair of beveled rollers |
| 03/16/1976 | US3944218 Sheet transfer cylinders |
| 03/09/1976 | US3942787 Sheet feeding apparatus for printing presses |
| 02/10/1976 | US3937142 Sheet transfer apparatus |
| 02/03/1976 | US3935814 Sheet delivery apparatus |