Winkler & Dunnebier Maschinenfabrik und Eisengiesserei GmbH & Co. KG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6371902 Method and apparatus for forming score lines on pre-cut envelope blanksExpiredDec 23, 99Apr 16, 02[B31F]
4969862 Method and apparatus for producing folded articlesExpiredApr 25, 89Nov 13, 90[B26D, B65H]
4795414 Apparatus for producing groovesExpiredApr 06, 87Jan 03, 89[B31B]
4714394 Method and appartus for depositing a proper number of flexible work pieces in a proper positionExpiredFeb 24, 86Dec 22, 87[B65G]
4709606 Plant for producing stacks of intermeshed blanks of paper, cellulose or the like, folded in a zig-zag mannerExpiredDec 10, 85Dec 01, 87[B26D]
4674258 Apparatus for inserting items into an enclosureExpiredFeb 24, 86Jun 23, 87[B65B]
4671152 Apparatus for cutting out windows in envelopesExpiredMay 06, 85Jun 09, 87[B31B, B26F]
4666145 Suction rollerExpiredOct 09, 85May 19, 87[B65H]
4650480 Absorption pad for hygienic applications and process for its manufactureExpiredMar 18, 85Mar 17, 87[A61F]
4648503 Article turning deviceExpiredJan 14, 85Mar 10, 87[B05G]
4645900 Apparatus for cutting a moving material web to shape by burning with a laser beamExpiredDec 10, 85Feb 24, 87[B23K]
4642150 Method and apparatus for securing elastic tapes to a material webExpiredNov 22, 85Feb 10, 87[B32B]
4601388 Apparatus for aligning flat articlesExpiredJan 28, 85Jul 22, 86[B65G]
4601651 Apparatus for pouring confectionery solutionExpiredApr 05, 85Jul 22, 86[B29C, A23G]
4598441 Apparatus for the manufacture of absorption pads for absorbing body fluidExpiredMar 15, 85Jul 08, 86[D01G, D04H]
4597317 Quick change cutting cylinder arrangementExpiredDec 27, 83Jul 01, 86[B26D]
4586598 Method and apparatus for delivering articles from a high-speed production machineExpiredFeb 22, 85May 06, 86[B65G]
RE32128 Transport apparatus for transporting flexible sheet-like articlesExpiredMar 09, 84Apr 29, 86[B65H]
4583412 Universal joint arrangement for forming a variable-velocity drive for driving a window cutter roller of an envelope machineExpiredJun 29, 84Apr 22, 86[F16H, B23D]
4583729 Vacuum control deviceExpiredNov 09, 83Apr 22, 86[B65H]

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