DURAND-WAYLAND, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B07C POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING 225
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
G01G WEIGHING 127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5677516 Article weighing and sorting apparatus with improved weigh cupAug 23, 94Oct 14, 97[B65G, G01G]
5294004 Article-holding cup and scale for apparatus that sorts articles by weightAug 19, 91Mar 15, 94[B07C]
5267654 Article-holding cup and sorting apparatusMay 26, 92Dec 07, 93[B07C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7204318 Tracking hitch assembly utilizing tractor lift arms as stabilizersExpiredJul 28, 03Apr 17, 07[A01B]
2005/0226,975 Foodstuff marking systemAbandonedApr 13, 04Oct 13, 05[A23P]
6119789 Implement tracking hitchExpiredAug 27, 98Sep 19, 00[A01B]
6029904 Agricultural sprayer with improved dissolution of dry chemicalsExpiredAug 27, 98Feb 29, 00[B05B]
5917926 Optical inspection apparatus and method for articles such as fruit and the likeExpiredFeb 28, 97Jun 29, 99[G06K]
5522544 Orchard or grove sprayerExpiredNov 01, 94Jun 04, 96[B05B]
5024047 Weighing and sorting machine and methodExpiredMar 08, 90Jun 18, 91[B65B]
4482061 Apparatus and process for sorting articlesExpiredFeb 11, 81Nov 13, 84[B07C]
4262807 Process and apparatus for weighing and sorting articlesExpiredSep 27, 79Apr 21, 81[B07C]

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