Assignee
VALMET FIBERTECH AB
US·57 granted patents·507 citations·filing 1995–2001
Top patents by PatentIndex Score
57 records- 0193US6592062B1Refining elementVALMET FIBERTECH AB·Filed 2000·Granted Jul 15, 2003·44 cites·16 claims
- 0293US6276622B1Refining disc for disc refinersVALMET FIBERTECH AB·Filed 1998·Granted Aug 21, 2001·55 cites·3 claims
- 0377US6957785B2Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segmentVALMET FIBERTECH AB·Filed 2001·Granted Oct 25, 2005·11 cites·12 claims
- 0475US6702120B1Screening apparatus including two screen meansVALMET FIBERTECH AB·Filed 2000·Granted Mar 9, 2004·13 cites·9 claims
- 0573US6932290B2Refining segment and a refining apparatus comprising a refining disc with such refining segmentVALMET FIBERTECH AB·Filed 2001·Granted Aug 23, 2005·11 cites·11 claims
- 0668US6227471B1Feeding element for fibrous materialVALMET FIBERTECH AB·Filed 1998·Granted May 8, 2001·18 cites·7 claims
- 0767US6915711B1Method and means for measuring stress forces in refinersVALMET FIBERTECH AB·Filed 2000·Granted Jul 12, 2005·10 cites·23 claims
- 0866US6221265B1Method and device for concentrating liquid-drenched materialVALMET FIBERTECH AB·Filed 1999·Granted Apr 24, 2001·15 cites·8 claims
- 0964US6938846B1Screening apparatus with slot ring moveable in axial directionVALMET FIBERTECH AB·Filed 2000·Granted Sep 6, 2005·6 cites·9 claims
- 1063US6221206B1Method for oxygen delignification of a digested pulpVALMET FIBERTECH AB·Filed 1997·Granted Apr 24, 2001·14 cites·12 claims
- 1162US6361650B1Process for upgrading of thermomechanical pulp to higher quality pulpVALMET FIBERTECH AB·Filed 1999·Granted Mar 26, 2002·19 cites·5 claims
- 1262US6319357B1Method for two-stage oxygen bleaching and delignification of chemical pulpVALMET FIBERTECH AB·Filed 2001·Granted Nov 20, 2001·2 cites·11 claims
- 1361US7130040B2Method for continuous determination of the properties of a flow of wood fibres for fabrication of fibreboardVALMET FIBERTECH AB·Filed 2001·Granted Oct 31, 2006·9 cites·5 claims
- 1460US6989078B1System for conveying shredded pulp to an ozone reactorVALMET FIBERTECH AB·Filed 2000·Granted Jan 24, 2006·2 cites·6 claims
- 1560US6685007B1Sluice for discharging bulk materialVALMET FIBERTECH AB·Filed 2000·Granted Feb 3, 2004·9 cites·10 claims
- 1660US6458242B1Ozone bleaching process using oxalic acid additionVALMET FIBERTECH AB·Filed 1999·Granted Oct 1, 2002·11 cites·6 claims
- 1758US6461505B1Dewatering deviceVALMET FIBERTECH AB·Filed 1999·Granted Oct 8, 2002·24 cites·5 claims
- 1858US6206309B1Method and device for treatment of fibrous materialVALMET FIBERTECH AB·Filed 1998·Granted Mar 27, 2001·13 cites·6 claims
- 1957US6820350B1Method of drying lignocellulose materialVALMET FIBERTECH AB·Filed 2000·Granted Nov 23, 2004·11 cites·4 claims
- 2056US6464826B1Method for producing and treating wood fiberVALMET FIBERTECH AB·Filed 1998·Granted Oct 15, 2002·14 cites·6 claims
- 2155US6602310B1Separator device with rotor having peripheral carriers for separating solid particles from a gas streamVALMET FIBERTECH AB·Filed 2000·Granted Aug 5, 2003·1 cites·3 claims
- 2253US6221207B1Oxygen delignification of pulp in two stages with low pressure steam heating between stagesVALMET FIBERTECH AB·Filed 1997·Granted Apr 24, 2001·10 cites·8 claims
- 2350US6726022B2Screening device and rotor for use in a screening deviceVALMET FIBERTECH AB·Filed 2001·Granted Apr 27, 2004·2 cites·9 claims
- 2450US6290067B1Screening apparatus with dilution liquid supply meansVALMET FIBERTECH AB·Filed 1998·Granted Sep 18, 2001·9 cites·7 claims
- 2547US6393688B1De-wiring apparatusVALMET FIBERTECH AB·Filed 1998·Granted May 28, 2002·18 cites·2 claims
- 2646US6357144B1Two stage process for drying of raw wood materialVALMET FIBERTECH AB·Filed 1998·Granted Mar 19, 2002·10 cites·18 claims
- 2744US6216877B1Screen panel and method of its manufactureVALMET FIBERTECH AB·Filed 1997·Granted Apr 17, 2001·10 cites·7 claims
- 2844US6136239AMethod of manufacturing lignocellulosic boardVALMET FIBERTECH AB·Filed 1995·Granted Oct 24, 2000·12 cites·19 claims
- 2941US6454687B1Edge ring for a press rollVALMET FIBERTECH AB·Filed 1998·Granted Sep 24, 2002·6 cites·4 claims
- 3040US6170769B1Screening apparatus with reject flow restriction meansVALMET FIBERTECH AB·Filed 1998·Granted Jan 9, 2001·5 cites·9 claims
- 3140US6123884AMethod of manufacturing lignocellulosic boardVALMET FIBERTECH AB·Filed 1996·Granted Sep 26, 2000·9 cites·10 claims
- 3238US6508353B1Conveyor and plant for baling paper pulpVALMET FIBERTECH AB·Filed 1999·Granted Jan 21, 2003·10 cites·23 claims
- 3338US6283741B1Device for spreading and distributing particles on a material webVALMET FIBERTECH AB·Filed 1998·Granted Sep 4, 2001·7 cites·17 claims
- 3437US6488468B1Pulp pumpVALMET FIBERTECH AB·Filed 1999·Granted Dec 3, 2002·8 cites·5 claims
- 3537US6241102B1Screening deviceVALMET FIBERTECH AB·Filed 1998·Granted Jun 5, 2001·12 cites·6 claims
- 3637US6139606AMethod and apparatus for pumping a mediumVALMET FIBERTECH AB·Filed 1997·Granted Oct 31, 2000·7 cites·7 claims
- 3735US6996454B1Method and control system for controlling a conveyor system and a plant for baling paper pulpVALMET FIBERTECH AB·Filed 1999·Granted Feb 7, 2006·8 cites·16 claims
- 3835US6530481B1Pressure screen with scrap separationVALMET FIBERTECH AB·Filed 1999·Granted Mar 11, 2003·6 cites·8 claims
- 3935US6394727B1Method of securing bale wrappers to bales and a fastener for carrying out the methodVALMET FIBERTECH AB·Filed 1998·Granted May 28, 2002·13 cites·9 claims
- 4035US6257413B1Screen panelVALMET FIBERTECH AB·Filed 1998·Granted Jul 10, 2001·4 cites·6 claims
- 4133US6764554B2Refining element for a refining diskVALMET FIBERTECH AB·Filed 2001·Granted Jul 20, 2004·0 cites·6 claims
- 4233US6499682B1Refining elementsVALMET FIBERTECH AB·Filed 1998·Granted Dec 31, 2002·4 cites·8 claims
- 4332US6503425B1Method for forming of a fiber matVALMET FIBERTECH AB·Filed 1999·Granted Jan 7, 2003·8 cites·8 claims
- 4431US6299084B1Feeding device for fibrous materialVALMET FIBERTECH AB·Filed 1998·Granted Oct 9, 2001·2 cites·5 claims
- 4531US6113104ASealing deviceVALMET FIBERTECH AB·Filed 1996·Granted Sep 5, 2000·2 cites·4 claims
- 4629US6450764B1Pulp pumpVALMET FIBERTECH AB·Filed 1999·Granted Sep 17, 2002·0 cites·3 claims
- 4729US6416214B2Mixing deviceVALMET FIBERTECH AB·Filed 1997·Granted Jul 9, 2002·4 cites·22 claims
- 4828US6360897B1Screen device comprising two screen chambers for separating fiber suspensionsVALMET FIBERTECH AB·Filed 1999·Granted Mar 26, 2002·1 cites·7 claims
- 4928US6123121ADistributing device for paper pulpVALMET FIBERTECH AB·Filed 1997·Granted Sep 26, 2000·0 cites·9 claims
- 5027US6238517B1Method for controlling oxygen delignification of pulpVALMET FIBERTECH AB·Filed 1997·Granted May 29, 2001·2 cites·4 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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