Inventor · Eberbach, DE

Andreas Fricke

25Patents
8h-index
22Co-inventors
75Inventor score

Filing activity: Jul 6, 1993 → Oct 10, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6581517B1 Printing-machine cylinder, especially an impression cylinder, for a sheet-fed rotary printing machine, and method of production Performing Operations; Transporting 67 Expired
US5984296A Device for cyclically lifting and lowering a lifting sucker in a feeder of a sheet-processing machine Performing Operations; Transporting 14 Expired
US5390601A Gripper control for sheet grippers on a sheet-guiding cylinder or the like in a printing press Performing Operations; Transporting 12 Expired
US5596929A Device for register correction and for compensating for distorted sheets in a feeder of a sheet-fed rotary printing press Performing Operations; Transporting 9 Expired
US6089157A Method and device for transferring a sheet, by a trailing edge thereof, in a reversing device of a sheet-fed rotary printing press Performing Operations; Transporting 9 Expired
US6254094A Method and device for transferring a trailing edge of a sheet in a reversing device of a sheet-fed rotary printing machine Performing Operations; Transporting 9 Expired
US6619201B1 Assembly including a device for holding a sheet on a cylinder participating in a reversal of the sheet in a sheet-processing machine Performing Operations; Transporting 8 Expired
US5761998A Device for aligning on a feeding table of a sheet-fed printing press Performing Operations; Transporting 8 Expired
US6401610B1 Method for taking over a sheet by a trailing edge thereof from an upline cylinder of a sheet-fed rotary printing press, and a transmission system for performing the method Performing Operations; Transporting 7 Expired
US6254089A Suction gripper for transferring the trailing edge of a sheet in a turning device of a sheet-fed rotary printing machine Performing Operations; Transporting 7 Expired
US5343806A Swivellable pre-gripper of a sheet-fed printing press and method of operation thereof Performing Operations; Transporting 6 Expired
US5440983A Swinging pregripper of a sheet-fed printing press Performing Operations; Transporting 6 Expired
US6098543A Suction gripper in a reversing device of a sheet-fed rotary printing press Performing Operations; Transporting 5 Expired
US5398607A Pregripper in a sheet-fed printing machine Mechanical Engineering; Lighting; Heating 5 Expired
US5613671A Device for correcting skewed sheets in a feeder of a sheet-fed printing press Performing Operations; Transporting 5 Expired
US6241241A Method and device for eliminating rhythmic register errors in sheet-fed rotary printing machines Performing Operations; Transporting 5 Expired
US5377588A Delivery for a sheet-fed printing press Performing Operations; Transporting 3 Expired
US5895037A Drive transmission for a pull sucker or forwarding sucker, in particular, for a device for correcting misaligned sheets Performing Operations; Transporting 3 Expired
US6837491B2 Device for sustaining a contact force of a control roller on a control cam appertaining thereto Performing Operations; Transporting 3 Expired
US5749572A Gripper control for a cyclically rockingly driven pregripper for single-sheet transport in a sheet-fed printing press Performing Operations; Transporting 3 Expired
US6557844B2 Device for transferring sheets Performing Operations; Transporting 2 Expired
US6752392B2 Device for picking up a sheet trailing edge from an upstream cylinder and for transferring the sheet trailing edge to a gripper system Performing Operations; Transporting 2 Expired
US6840170B2 Device for torque compensation in a sheet-processing machine and reversing drum having a torque compensation device Emerging Cross-Sectional Technologies 2 Expired
US8042805B2 Machine for processing printed sheets Performing Operations; Transporting 0 Active
US11137317B2 OTDR using an electro-absorption modulator for both pulse forming and pulse detection Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.