Assignee
KVAERNER PULPING TECH
SE·150 granted patents·1 pending application·1,412 citations·filing 1992–2004
Top patents by PatentIndex Score
151 records- 0194US5507141AProcess for recovering energy from a combustible gasKVAERNER PULPING TECH·Filed 1992·Granted Apr 16, 1996·92 cites·22 claims
- 0288US5415734AProcess for bleaching pulp without using chlorine containing chemicalsKVAERNER PULPING TECH·Filed 1993·Granted May 16, 1995·51 cites·26 claims
- 0383US6605181B1Peroxide bleach sequence including an acidic bleach stage and including a wash stageKVAERNER PULPING TECH·Filed 1994·Granted Aug 12, 2003·34 cites·16 claims
- 0482US6361649B1Method for the continuous cooking of chemical pulpKVAERNER PULPING TECH·Filed 2000·Granted Mar 26, 2002·8 cites·14 claims
- 0581US5824187AMethod for the continuous cooking of pulpKVAERNER PULPING TECH·Filed 1997·Granted Oct 20, 1998·28 cites·27 claims
- 0679US7156952B2Method and arrangement for oxygen delignification of cellulose pulpKVAERNER PULPING TECH·Filed 2004·Granted Jan 2, 2007·12 cites·6 claims
- 0778US7112256B2Method for continuous cooking of chemical pulp to improve heat economyKVAERNER PULPING TECH·Filed 2003·Granted Sep 26, 2006·8 cites·13 claims
- 0878US7077931B2Method and bleaching line with a main conduit for wash liquorKVAERNER PULPING TECH·Filed 2004·Granted Jul 18, 2006·6 cites·24 claims
- 0978US6631810B1Sealing arrangement for a pulp dewatering arrangementKVAERNER PULPING TECH·Filed 2000·Granted Oct 14, 2003·9 cites·7 claims
- 1078US6332954B2Continuous digester system having a top separatorKVAERNER PULPING TECH·Filed 2000·Granted Dec 25, 2001·6 cites·7 claims
- 1178US5885414AMethod of producing pulp with high alkali cooking in the last cooking stageKVAERNER PULPING TECH·Filed 1997·Granted Mar 23, 1999·25 cites·25 claims
- 1276US6325889B2Hydraulic vessel system having a downwardly feeding separatorKVAERNER PULPING TECH·Filed 2000·Granted Dec 4, 2001·7 cites·6 claims
- 1376US6123807AMethod for the continuous cooking of pulpKVAERNER PULPING TECH·Filed 1997·Granted Sep 26, 2000·24 cites·28 claims
- 1475US6668600B1Distribution device for a device for dewatering pulpKVAERNER PULPING TECH·Filed 2000·Granted Dec 30, 2003·11 cites·7 claims
- 1575US6203662B1Method for the continuous cooking of pulp in a digester system having a top separatorKVAERNER PULPING TECH·Filed 1998·Granted Mar 20, 2001·23 cites·25 claims
- 1675US5636849ATranslatable bearing stuffing boxKVAERNER PULPING TECH·Filed 1995·Granted Jun 10, 1997·22 cites·14 claims
- 1774US6280567B1System and method for treatment of cellulose-containing material prior to pulp digestionKVAERNER PULPING TECH·Filed 1998·Granted Aug 28, 2001·20 cites·7 claims
- 1873US6139685AMethod and device for treating a pulp suspensionKVAERNER PULPING TECH·Filed 1999·Granted Oct 31, 2000·23 cites·14 claims
- 1972US6699357B2Process for continuous cooking of pulpKVAERNER PULPING TECH·Filed 2001·Granted Mar 2, 2004·6 cites·20 claims
- 2072US6306259B1Device for the treatment of a fibrous suspensionKVAERNER PULPING TECH·Filed 2000·Granted Oct 23, 2001·10 cites·22 claims
- 2172US6103058AMethod for the continuous cooking of pulpKVAERNER PULPING TECH·Filed 1998·Granted Aug 15, 2000·18 cites·32 claims
- 2272US5744004ASystem for feeding a suspension to a pressurized vesselKVAERNER PULPING TECH·Filed 1996·Granted Apr 28, 1998·35 cites·26 claims
- 2371US6468390B1Method for continuous cooking of lignocellulosic fiber materialKVAERNER PULPING TECH·Filed 1998·Granted Oct 22, 2002·21 cites·41 claims
- 2471US5615997APump for pumping fibrous pulp suspensionKVAERNER PULPING TECH·Filed 1995·Granted Apr 1, 1997·21 cites·14 claims
- 2571US5593544APulp productionKVAERNER PULPING TECH·Filed 1994·Granted Jan 14, 1997·24 cites·33 claims
- 2671US5556200AApparatus for mixing a first fluid into a second fluid using a wedge-shaped, turbulence-inducing flow restriction in the mixing zoneKVAERNER PULPING TECH·Filed 1995·Granted Sep 17, 1996·41 cites·20 claims
- 2770US6966970B2Method for supplying washing liquid to a process for cooking cellulose pulpKVAERNER PULPING TECH·Filed 2002·Granted Nov 22, 2005·4 cites·8 claims
- 2870US6672227B2Arrangement for cleaning, airflow control and pushing away melt in air ports of incineration boilersKVAERNER PULPING TECH·Filed 2001·Granted Jan 6, 2004·7 cites·8 claims
- 2970US6179958B1Method for continuous cooking of cellulose-containing fibre materialKVAERNER PULPING TECH·Filed 1997·Granted Jan 30, 2001·24 cites·12 claims
- 3070US5571377AProcess for peroxide bleaching of chemical pulp in a pressurized bleach vesselKVAERNER PULPING TECH·Filed 1993·Granted Nov 5, 1996·22 cites·49 claims
- 3168US6521094B2Device for the treatment of a fibrous suspensionKVAERNER PULPING TECH·Filed 2001·Granted Feb 18, 2003·7 cites·15 claims
- 3268US6062547AQuench vessel for recovering chemicals and energy from spent liquorsKVAERNER PULPING TECH·Filed 1998·Granted May 16, 2000·16 cites·18 claims
- 3366US6120646AFeeding system of feeding a cellulose materialKVAERNER PULPING TECH·Filed 1998·Granted Sep 19, 2000·16 cites·15 claims
- 3465US6086717ASeparator having a screen basket disposed in a digesterKVAERNER PULPING TECH·Filed 1998·Granted Jul 11, 2000·14 cites·42 claims
- 3564US6391152B1Process for the oxygen delignification of pulp in two stages with higher pressure in the second stageKVAERNER PULPING TECH·Filed 2000·Granted May 21, 2002·2 cites·8 claims
- 3664US6347883B1Apparatus for adding a first fluid into a second fluid with means to prevent cloggingKVAERNER PULPING TECH·Filed 2000·Granted Feb 19, 2002·10 cites·16 claims
- 3764US6341888B1Apparatus for introduction of a first fluid into a second fluidKVAERNER PULPING TECH·Filed 1998·Granted Jan 29, 2002·15 cites·29 claims
- 3864US5716497AMethod and device for the continuous cooking of pulpKVAERNER PULPING TECH·Filed 1994·Granted Feb 10, 1998·15 cites·24 claims
- 3963US6159336AMethod and device for the continuous cooking of pulpKVAERNER PULPING TECH·Filed 1997·Granted Dec 12, 2000·13 cites·20 claims
- 4063US6071378AMethod and device for treating a pulp suspensionKVAERNER PULPING TECH·Filed 1998·Granted Jun 6, 2000·29 cites·4 claims
- 4163US5989394AProcess for treatment of a contaminated liquidKVAERNER PULPING TECH·Filed 1996·Granted Nov 23, 1999·15 cites·4 claims
- 4261US6143130APolysulfide pulping processKVAERNER PULPING TECH·Filed 1997·Granted Nov 7, 2000·15 cites·23 claims
- 4360US7214291B2Method for the modification of cellulose fibresKVAERNER PULPING TECH·Filed 2003·Granted May 8, 2007·2 cites·8 claims
- 4460US6843885B2Method for controlling the cooking temperature in a continuous vapour phase digesterKVAERNER PULPING TECH·Filed 2000·Granted Jan 18, 2005·1 cites·14 claims
- 4560US6841036B2Process for the oxygen delignification of pulp in two stages with higher pressure in the second stageKVAERNER PULPING TECH·Filed 2002·Granted Jan 11, 2005·1 cites·6 claims
- 4660US6793809B2Pipe system for receiving and transporting lime sludge from a white liquor filterKVAERNER PULPING TECH·Filed 2002·Granted Sep 21, 2004·13 cites·16 claims
- 4760US5771817ARecovery boilerKVAERNER PULPING TECH·Filed 1995·Granted Jun 30, 1998·25 cites·14 claims
- 4859US6808596B1System for the oxygen delignification of pulp consisting of lignocellulose-containing materialKVAERNER PULPING TECH·Filed 2000·Granted Oct 26, 2004·1 cites·20 claims
- 4959US6659635B2Method for introducing a first fluid into a second fluid, preferably introduction of steam into flowing cellulose pulpKVAERNER PULPING TECH·Filed 2002·Granted Dec 9, 2003·6 cites·7 claims
- 5059US6059323AExpansion unit for piping adjustmentKVAERNER PULPING TECH·Filed 1995·Granted May 9, 2000·24 cites·8 claims
Showing the top 50 of 151 patent records by PatentIndex Score.
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