Rank Xerox Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5982956 Secure method for duplicating sensitive documentsSep 24, 97Nov 09, 99[G06K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4826147 Paper feed cassetteExpiredSep 04, 84May 02, 89[B65H]
4748473 Printing apparatus with detack deviceExpiredOct 16, 86May 31, 88[B65H]
4711561 Toner recovery deviceExpiredOct 16, 86Dec 08, 87[G03G]
4660820 Paper feeding apparatus for a copying machine/printerExpiredSep 04, 84Apr 28, 87[B65H]
4548402 Paper sorting apparatus for a copierExpiredNov 30, 83Oct 22, 85[B65H]
4499166 Method of developing an electrostatic latent image uses magnetic developerExpiredJun 15, 81Feb 12, 85[G03G]
4426435 Process for forming an electrophotographic member having a protective layerExpiredNov 19, 81Jan 17, 84[G03G]
4423950 Cleaning device for an electrophotographic reproducing machineExpiredMar 08, 82Jan 03, 84[G03G]
4394008 Automatic and manual sheet feeding mechanismExpiredApr 20, 81Jul 19, 83[B65H]
4382118 Electrophotographic member with transport layer having inorganic n-type particlesExpiredAug 18, 81May 03, 83[G03G]
4352549 Electrophotographic copying method and apparatusExpiredJul 01, 80Oct 05, 82[G03G]
4348579 Fixing roll in a copying machineExpiredJun 16, 80Sep 07, 82[H05B, B21B]
4332851 Receptor sheet for electrophotographyExpiredMar 11, 80Jun 01, 82[B32B]
4293630 Electrophotographic photosensitive memberExpiredApr 21, 80Oct 06, 81[G03G]
4233611 Recording head for electrostatic printing apparatusExpiredDec 07, 78Nov 11, 80[G01D]
4207057 Fixing device for use in electrophotographic copying machineExpiredMay 25, 76Jun 10, 80[F27B]
4193680 Transfer sheet drying device for electrophotographic copying machineExpiredJun 28, 77Mar 18, 80[G03G]
4190246 Paper feeding systemExpiredJan 17, 78Feb 26, 80[B65H]
4190358 Apparatus for positioning an original in reproducing machinesExpiredJan 17, 78Feb 26, 80[G03B]
4190359 Copier document handling systemExpiredDec 21, 78Feb 26, 80[G03B]

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