Acrowood Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 120
 
  
 
B27L REMOVING BARK OR VESTIGES OF BRANCHES 17

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9914241 Batch-style bottom-discharge rotary debarkerJan 25, 16Mar 13, 18[B27L]
6834764 Roller screen and method for sorting materials by sizeAug 26, 02Dec 28, 04[B07B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0180,523 Devices and systems for dimensionally separating particles from a mass of particles of various sizes and shapesAbandonedOct 13, 05Aug 17, 06[B07B]
5597128 Machine for destructuring wood chipsExpiredJun 01, 95Jan 28, 97[B02C]
5109988 Machine and method for sorting out fines, pins, and over-thick wood chipsExpiredFeb 26, 90May 05, 92[B07B]
5058751 Machine for sorting out over-thick wood chipsExpiredJul 30, 90Oct 22, 91[B07B]
5029626 Overload protection system for chip slicers and other machinesExpiredJan 05, 90Jul 09, 91[B02C, B27C]
5012933 Machine and method for sorting out over-thick wood chipsExpiredJan 17, 89May 07, 91[B07B]
4972888 Blade-carrying drum assembly for chip slicing machinesExpiredNov 14, 89Nov 27, 90[B27C, B27L]
4903845 Machine and method for separating fines from wood chipsExpiredFeb 12, 88Feb 27, 90[B07B]
4796822 Impeller for an impact crusherExpiredMar 09, 87Jan 10, 89[B02C]
4708181 Feed works for veneer chippersExpiredMay 23, 86Nov 24, 87[B27B, B27L]
4579290 Convertible centrifugal rock crusherExpiredNov 18, 83Apr 01, 86[B02C]
4577806 Impeller assembly for an impact crusherExpiredNov 18, 83Mar 25, 86[B02C]
4513919 Feed arrangement for a centrifugal rock crusherExpiredNov 18, 83Apr 30, 85[B02C]
4452694 Apparatus for selective sorting of material chipsExpiredOct 30, 80Jun 05, 84[B07B]
4440088 Fabric insertion systemExpiredOct 11, 79Apr 03, 84[E01B]
4412297 Ultrasonic log scanning and orientation systemExpiredOct 06, 80Oct 25, 83[B27B]
4356850 Veneer lathe scanning systemExpiredSep 29, 80Nov 02, 82[B27B]
4352431 Apparatus for sorting contaminant material from processing materialExpiredJun 04, 79Oct 05, 82[B07C]

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