Valmet Fibertech AB

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 629
 
  
 
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 417
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
D21B FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT28
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR226
 
  
 
D21D TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE 27
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 18
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6932290 Refining segment and a refining apparatus comprising a refining disc with such refining segmentJun 07, 01Aug 23, 05[B02C]
6772574 Binding meansApr 26, 00Aug 10, 04[G01B]
6764554 Refining element for a refining diskSep 10, 02Jul 20, 04[C22C]
6702120 Screening apparatus including two screen meansSep 20, 01Mar 09, 04[B07B]
6592062 Refining elementSep 10, 01Jul 15, 03[B02C]
6499682 Refining elementsMay 24, 00Dec 31, 02[B02C]
6464826 Method for producing and treating wood fiberFeb 18, 00Oct 15, 02[D21B]
6454687 Edge ring for a press rollDec 30, 99Sep 24, 02[B23P]
6432274 Doctor arrangement for roll pressesMar 23, 01Aug 13, 02[D21F]
6393688 De-wiring apparatusJun 26, 00May 28, 02[B26D, B23P, B65B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6996454 Method and control system for controlling a conveyor system and a plant for baling paper pulpExpiredJan 21, 99Feb 07, 06[G06F]
6989078 System for conveying shredded pulp to an ozone reactorExpiredMay 24, 00Jan 24, 06[D21C]
6957785 Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segmentExpiredJun 07, 01Oct 25, 05[B02C]
6938846 Screening apparatus with slot ring moveable in axial directionExpiredMar 03, 00Sep 06, 05[0000]
6915711 Method and means for measuring stress forces in refinersExpiredJun 15, 00Jul 12, 05[B02C, G01L]
6732520 Hydraulic system for a pressExpiredOct 05, 99May 11, 04[F15B]
6726022 Screening device and rotor for use in a screening deviceExpiredJul 30, 02Apr 27, 04[B07B]
6685007 Sluice for discharging bulk materialExpiredDec 05, 01Feb 03, 04[B65G]
2004/0012,113 Method and a device for compressing and processing a material matAbandonedNov 15, 02Jan 22, 04[B29C, B27N]
6602310 Separator device with rotor having peripheral carriers for separating solid particles from a gas streamExpiredNov 06, 01Aug 05, 03[B01D]
6540872 Process for chlorine dioxide bleaching using a chelating agent without an intermediate washExpiredFeb 25, 97Apr 01, 03[D21C]
6530481 Pressure screen with scrap separationExpiredSep 20, 00Mar 11, 03[B03C, B03B]
6517753 Method and device for forming a mat of particle boardExpiredApr 19, 00Feb 11, 03[B29B]
6508353 Conveyor and plant for baling paper pulpExpiredSep 12, 00Jan 21, 03[B65G]
6503425 Method for forming of a fiber matExpiredDec 20, 00Jan 07, 03[B27N]
6488468 Pulp pumpExpiredApr 11, 01Dec 03, 02[F04D]
6461505 Dewatering deviceExpiredMay 04, 01Oct 08, 02[B01D]
6458242 Ozone bleaching process using oxalic acid additionExpiredMar 08, 01Oct 01, 02[D21C]
6450764 Pulp pumpExpiredDec 15, 00Sep 17, 02[F01D]
6416214 Mixing deviceExpiredDec 21, 98Jul 09, 02[B01F]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.