WILLAMETTE INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B27N MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL 112

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5200267 Fire-retardant synthretic board productNov 13, 91Apr 06, 93[B01F]
5188785 Apparatus and method of manufacturing synthetic boards including fire-retardant boardsMar 12, 91Feb 23, 93[B27N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6105855 Self locking paperboard lidExpiredDec 31, 99Aug 22, 00[B65D]
5735429 Container for bulk free flowing materialExpiredNov 15, 95Apr 07, 98[B65D]
5628450 Octagonal box structure and setting up apparatusExpiredJun 04, 96May 13, 97[B65D]
5093058 Apparatus and method of manufacturing synthetic boardsExpiredMar 20, 89Mar 03, 92[B27M, B27N]
4767051 Knockdown carton with pre-glued bottomExpiredJul 14, 86Aug 30, 88[B65D]
4607785 Fiberboard flat with joined strengthened corners for setting up into an angular tray and the set-up trayExpiredApr 19, 85Aug 26, 86[B65D]
4598526 System for boxing formsExpiredMay 11, 84Jul 08, 86[B65B]
4565316 Two-piece asparagus cartonExpiredMar 04, 83Jan 21, 86[B65D]
4545781 Method for applying coupon packets to paper bagsExpiredJan 30, 84Oct 08, 85[B31B]
4537586 Method and apparatus for applying coupon strips to paper bagsExpiredFeb 21, 84Aug 27, 85[B31B]
4516692 Disposable container assembly for liquids or semi-liquids in bulkExpiredFeb 28, 83May 14, 85[B65D]
4497408 Stackable container with locking lidExpiredNov 29, 82Feb 05, 85[B65D]
4458465 Structural memberExpiredJul 14, 82Jul 10, 84[E04C]
4445970 High mineral composite fine paperExpiredJun 01, 81May 01, 84[B41M]
4421253 Disposable container assembly for liquids or semi-liquids in bulkExpiredFeb 17, 82Dec 20, 83[B65D]
4400128 Pallet unloading apparatusExpiredApr 21, 81Aug 23, 83[B65B]
4397406 Knocked-down drum-like fiberboard container for bulk material with funnel-like dispensing bottomExpiredJun 26, 81Aug 09, 83[B65D]
4353495 Asparagus cartonExpiredMay 18, 81Oct 12, 82[B65D]
4347967 Multicompartment folding cartonExpiredJan 26, 81Sep 07, 82[B65D]
4342405 Rectangular fiberboard container for bulk material with funnel-like dispensing bottomExpiredSep 26, 80Aug 03, 82[B65D]

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