SUNDS DEFIBRATOR WOODHANDLING OY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B27C PLANING, DRILLING, MILLING, TURNING, OR UNIVERSAL MACHINES 58
 
  
 
B27L REMOVING BARK OR VESTIGES OF BRANCHES 35
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 233
 
  
 
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
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B27G ACCESSORY MACHINES OR APPARATUS; TOOLS 113

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6173748 Method of reducing noise in a barking plant and a barking drum, chipper and conveying lineSep 08, 99Jan 16, 01[B27L]
6056030 Blade disk arrangement for a disk chipper and a hinge strip of a wear plateJan 06, 99May 02, 00[B02C, B27C]
5992204 Method of increasing the strength of a blade, and a bladeAug 27, 97Nov 30, 99[B21D, B27G]
5975169 Feeding method and feeding chute of disc chipperJul 21, 98Nov 02, 99[B27C, B27L]
5857508 Method of fastening a wear plate and a knife base to a disc chipper, and a disc chipperAug 11, 97Jan 12, 99[B27C]
5660218 Blade system to be used in wood chipping, a blade; a guide member and a filler member as well as a method for changing bladesDec 21, 95Aug 26, 97[B02C, B27C]
5293917 Disc chipper feeding method and disc chipperNov 04, 92Mar 15, 94[B27C, B27L]
5232097 Screening method and apparatusDec 03, 92Aug 03, 93[B07B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6214164 Process for pretreating wood chips for pulpingExpiredAug 07, 98Apr 10, 01[D21B]
5988358 Screw conveyorExpiredMar 12, 98Nov 23, 99[B65G]
5765452 Method for improving the endurance of a blade base of a disc chipper, a blade base of a disc chipper and a disc chipperExpiredDec 31, 96Jun 16, 98[B27C, B21K]
5727611 Method for adjusting blade clearance in a disc chipper and axial guide bearing system of a disc chipperExpiredDec 18, 96Mar 17, 98[B27C]
5660076 Drive system of a rotating drumExpiredNov 15, 95Aug 26, 97[F16H]
5372062 Method and a press for compressing material having two opposed transfer elements exacting a greater pressing force on the material during a forward motion than the pressing force exerted during a return motionExpiredAug 02, 93Dec 13, 94[B30B]

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