Assignee
VALMET FIBERTECH AB
US57 patents
Top patents by PatentIndex Score
US6276622B1Aug 21, 2001
Refining disc for disc refiners
VALMET FIBERTECH AB55 citations94
US6592062B1Jul 15, 2003
Refining element
VALMET FIBERTECH AB44 citations92
US6461505B1Oct 8, 2002
Dewatering device
VALMET FIBERTECH AB24 citations90
US6227471B1May 8, 2001
Feeding element for fibrous material
VALMET FIBERTECH AB18 citations84
US6702120B1Mar 9, 2004
Screening apparatus including two screen means
VALMET FIBERTECH AB13 citations81
US6221265B1Apr 24, 2001
Method and device for concentrating liquid-drenched material
VALMET FIBERTECH AB15 citations81
US6464826B1Oct 15, 2002
Method for producing and treating wood fiber
VALMET FIBERTECH AB14 citations77
US6361650B1Mar 26, 2002
Process for upgrading of thermomechanical pulp to higher quality pulp
VALMET FIBERTECH AB19 citations77
US6685007B1Feb 3, 2004
Sluice for discharging bulk material
VALMET FIBERTECH AB9 citations74
US6283741B1Sep 4, 2001
Device for spreading and distributing particles on a material web
VALMET FIBERTECH AB7 citations74
US6957785B2Oct 25, 2005
Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment
VALMET FIBERTECH AB11 citations73
US6932290B2Aug 23, 2005
Refining segment and a refining apparatus comprising a refining disc with such refining segment
VALMET FIBERTECH AB11 citations73
US6488468B1Dec 3, 2002
Pulp pump
VALMET FIBERTECH AB8 citations73
US6458242B1Oct 1, 2002
Ozone bleaching process using oxalic acid addition
VALMET FIBERTECH AB11 citations72
US6357144B1Mar 19, 2002
Two stage process for drying of raw wood material
VALMET FIBERTECH AB10 citations72
US6139606AOct 31, 2000
Method and apparatus for pumping a medium
VALMET FIBERTECH AB7 citations72
US6290067B1Sep 18, 2001
Screening apparatus with dilution liquid supply means
VALMET FIBERTECH AB9 citations71
US6393688B1May 28, 2002
De-wiring apparatus
VALMET FIBERTECH AB18 citations70
US6221206B1Apr 24, 2001
Method for oxygen delignification of a digested pulp
VALMET FIBERTECH AB14 citations70
US6206309B1Mar 27, 2001
Method and device for treatment of fibrous material
VALMET FIBERTECH AB13 citations69
US6123884ASep 26, 2000
Method of manufacturing lignocellulosic board
VALMET FIBERTECH AB9 citations69
US6996454B1Feb 7, 2006
Method and control system for controlling a conveyor system and a plant for baling paper pulp
VALMET FIBERTECH AB8 citations68
US6508353B1Jan 21, 2003
Conveyor and plant for baling paper pulp
VALMET FIBERTECH AB10 citations68
US6136239AOct 24, 2000
Method of manufacturing lignocellulosic board
VALMET FIBERTECH AB12 citations68
US6915711B1Jul 12, 2005
Method and means for measuring stress forces in refiners
VALMET FIBERTECH AB10 citations66
US6503425B1Jan 7, 2003
Method for forming of a fiber mat
VALMET FIBERTECH AB8 citations65
US6221207B1Apr 24, 2001
Oxygen delignification of pulp in two stages with low pressure steam heating between stages
VALMET FIBERTECH AB10 citations65
US7130040B2Oct 31, 2006
Method for continuous determination of the properties of a flow of wood fibres for fabrication of fibreboard
VALMET FIBERTECH AB9 citations63
US6216877B1Apr 17, 2001
Screen panel and method of its manufacture
VALMET FIBERTECH AB10 citations63
US6499682B1Dec 31, 2002
Refining elements
VALMET FIBERTECH AB4 citations62
US6299084B1Oct 9, 2001
Feeding device for fibrous material
VALMET FIBERTECH AB2 citations62
US6241102B1Jun 5, 2001
Screening device
VALMET FIBERTECH AB12 citations62
US6530481B1Mar 11, 2003
Pressure screen with scrap separation
VALMET FIBERTECH AB6 citations60
US6416214B2Jul 9, 2002
Mixing device
VALMET FIBERTECH AB4 citations60
US6170769B1Jan 9, 2001
Screening apparatus with reject flow restriction means
VALMET FIBERTECH AB5 citations60
US6820350B1Nov 23, 2004
Method of drying lignocellulose material
VALMET FIBERTECH AB11 citations59
US6394727B1May 28, 2002
Method of securing bale wrappers to bales and a fastener for carrying out the method
VALMET FIBERTECH AB13 citations59
US6319357B1Nov 20, 2001
Method for two-stage oxygen bleaching and delignification of chemical pulp
VALMET FIBERTECH AB2 citations59
US6938846B1Sep 6, 2005
Screening apparatus with slot ring moveable in axial direction
VALMET FIBERTECH AB6 citations58
US6772574B1Aug 10, 2004
Binding means
VALMET FIBERTECH AB2 citations57
US6257413B1Jul 10, 2001
Screen panel
VALMET FIBERTECH AB4 citations57
US6989078B1Jan 24, 2006
System for conveying shredded pulp to an ozone reactor
VALMET FIBERTECH AB2 citations56
US6726022B2Apr 27, 2004
Screening device and rotor for use in a screening device
VALMET FIBERTECH AB2 citations56
US6454687B1Sep 24, 2002
Edge ring for a press roll
VALMET FIBERTECH AB6 citations56
US6279201B1Aug 28, 2001
Device for distributing particles
VALMET FIBERTECH AB2 citations55
US6113104ASep 5, 2000
Sealing device
VALMET FIBERTECH AB2 citations55
US6238517B1May 29, 2001
Method for controlling oxygen delignification of pulp
VALMET FIBERTECH AB2 citations53
US6602310B1Aug 5, 2003
Separator device with rotor having peripheral carriers for separating solid particles from a gas stream
VALMET FIBERTECH AB1 citations52
US6360897B1Mar 26, 2002
Screen device comprising two screen chambers for separating fiber suspensions
VALMET FIBERTECH AB1 citations48
US6123121ASep 26, 2000
Distributing device for paper pulp
VALMET FIBERTECH AB0 citations46
Showing the top 50 of 57 patents by PatentIndex Score.