Patent assignee · DE · COMPANY

KOENIG & BAUER AG

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857Patents
298Active
857Granted
51Portfolio score

Filing activity: Mar 4, 1974 → Mar 5, 2024 · 113 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6334587B1 Spare paper roll Emerging Cross-Sectional Technologies 116 Expired
US4279410A Folder for a web-fed rotary printing press Performing Operations; Transporting 67 Expired
US5133543A Sheet conveying apparatus Performing Operations; Transporting 67 Expired
US4190242A Gear folder Performing Operations; Transporting 51 Expired
US5127328A Method and apparatus for automatically feeding a printing plate Performing Operations; Transporting 48 Expired
US5111744A Method and apparatus for automatically changing a printing plate Performing Operations; Transporting 43 Expired
US5384859A Method for quality control of printed sheets Physics 43 Expired
US4680806A Edge location measuring head Physics 36 Expired
US5282419A Ink roller Performing Operations; Transporting 35 Expired
US5317390A Method for judging printing sheets Physics 34 Expired
US4564470A Folder assembly Performing Operations; Transporting 33 Expired
US6111261A Process and device for assessing the quality of processed material Performing Operations; Transporting 33 Expired
US6419217B1 Drawings-in- of paper webs Emerging Cross-Sectional Technologies 33 Expired
US4951967A Signature perforating knife and signature Emerging Cross-Sectional Technologies 32 Expired
US5734804A Method for displaying machine malfunctions Physics 29 Expired
US5303909A Paper web guide assembly with three forming levels Performing Operations; Transporting 28 Expired
US6024684A Device for producing folded items Performing Operations; Transporting 26 Expired
US5520317A Turning bar with selectively openable air discharge openings Performing Operations; Transporting 25 Expired
US5328437A Paper web folder with laterally shiftable formers Performing Operations; Transporting 24 Expired
US6418851B1 Turning bar arrangement Performing Operations; Transporting 24 Expired
US4538517A Paper web guiding mechanism Performing Operations; Transporting 24 Expired
US5057064A Folding jaw cylinder Performing Operations; Transporting 22 Expired
US5010817A Method and apparatus for flexographic printing Performing Operations; Transporting 22 Expired
US5555812A Arrangement for the supply and removal of printing plates Performing Operations; Transporting 22 Expired
US5348793A Paper web splice tape Emerging Cross-Sectional Technologies 22 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.