Inventor
STROMBERG C BERTIL
US45 patents
⚠️ This page may combine multiple inventors who share the name “STROMBERG C BERTIL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANDRITZ INC
19 patentsUS6576084B1Jun 10, 2003
Method of pretreating pulp with yield or strength-enhancing additive
ANDRITZ INC18 citations92
US6841042B2Jan 11, 2005
Feeding comminuted fibrous material using high pressure screw and centrifugal pumps
ANDRITZ INC24 citations88
US6436233B1Aug 20, 2002
Feeding cellulose material to a treatment vessel
ANDRITZ INC15 citations84
US6551462B2Apr 22, 2003
System for feeding comminuted fibrous material
ANDRITZ INC13 citations82
US6368453B1Apr 9, 2002
Chip feeding to a comminuted cellulosic fibrous material treatment vessel
ANDRITZ INC14 citations82
US6569289B2May 27, 2003
Cellulose slurry treating systems for adding AQ to a cellulose slurry in the substantial absence of alkali
ANDRITZ INC9 citations74
US6451172B1Sep 17, 2002
In-line drainer enhancements
ANDRITZ INC9 citations73
US6447645B1Sep 10, 2002
Feeding cellulose material to a treatment vessel
ANDRITZ INC13 citations73
US6673201B2Jan 6, 2004
Top separator with intraseal for digester vessel in a pulp or fiber processing system
ANDRITZ INC7 citations72
US6544384B2Apr 8, 2003
Pretreatment of chips before cooking
ANDRITZ INC8 citations70
US6506283B2Jan 14, 2003
Pretreatment of chips before cooking
ANDRITZ INC9 citations70
US7556713B2Jul 7, 2009
Method and system for feeding cellulose chips to a high pressure continuous cooking system
ANDRITZ INC5 citations63
US7105076B2Sep 12, 2006
Gas phase continuous digester having an inverted top separator with liquor injection
ANDRITZ INC4 citations61
US6582554B1Jun 24, 2003
Continuous digester having a sectioned top separator with multiple liquor extraction ports
ANDRITZ INC3 citations61
US7988822B2Aug 2, 2011
Treatment vessel for straw or other light bulky material
ANDRITZ INC1 citations52
US7658818B2Feb 9, 2010
Method for converting a digester for use as a gas phase and hydraulic phase continuous digester
ANDRITZ INC1 citations51
US7455749B2Nov 25, 2008
Gas phase continuous digester having an inverted top separator with liquor injection
ANDRITZ INC0 citations51
US7309401B2Dec 18, 2007
Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester
ANDRITZ INC1 citations51
US6589391B2Jul 8, 2003
Top separator with intraseal for digester vessel in a pulp or fiber processing system
ANDRITZ INC0 citations50
AHLSTROM MACHINERY INC
9 patentsUS5985096ANov 16, 1999
Vertical pulping digester having substantially constant diameter
AHLSTROM MACHINERY INC26 citations92
US5795438AAug 18, 1998
Method and apparatus for feeding multiple digesters
AHLSTROM MACHINERY INC33 citations92
US5882477AMar 16, 1999
Continuous digester with a low temperature gas-phase
AHLSTROM MACHINERY INC29 citations91
US5813758ASep 29, 1998
Concentric ring fluidizing mixer
AHLSTROM MACHINERY INC54 citations91
US6106668AAug 22, 2000
Method for feeding comminuted fibrous material
AHLSTROM MACHINERY INC22 citations90
US6024227AFeb 15, 2000
Tramp material removal from pulp feed systems
AHLSTROM MACHINERY INC19 citations89
US6120647ASep 19, 2000
Simplified liquid removal system for a cellulose pulp digester
AHLSTROM MACHINERY INC7 citations74
US5958181ASep 28, 1999
Continuous cooking with a two-stage cool impregnation
AHLSTROM MACHINERY INC14 citations74
US6024837AFeb 15, 2000
Low temperature gas phase continuous digester
AHLSTROM MACHINERY INC14 citations73
ANDRITZ AHLSTROM INC
8 patentsUS6336993B1Jan 8, 2002
Metal removal from comminuted fibrous material during feeding
ANDRITZ AHLSTROM INC20 citations92
US6174411B1Jan 16, 2001
Continuous digester with inverted top separator
ANDRITZ AHLSTROM INC29 citations91
US6325890B1Dec 4, 2001
Feeding comminuted fibrous material
ANDRITZ AHLSTROM INC29 citations90
US6176971B1Jan 23, 2001
Heat economy enhancements for the recovery and use of energy obtained from spent cooking liquors
ANDRITZ AHLSTROM INC49 citations89
US6277240B1Aug 21, 2001
Method for continuously pulping cellulosic fibrous material
ANDRITZ AHLSTROM INC19 citations84
US6332542B2Dec 25, 2001
Tramp material removal from pulp feed system
ANDRITZ AHLSTROM INC12 citations71
US6248208B1Jun 19, 2001
Pretreatment of chips before cooking
ANDRITZ AHLSTROM INC10 citations70
US6315128B1Nov 13, 2001
Tramp material removal from pulp feed systems
ANDRITZ AHLSTROM INC3 citations63
SHIN NAMHEE
4 patentsUS9260818B2Feb 16, 2016
Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
SHIN NAMHEE3 citations64
US8734610B2May 27, 2014
Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
SHIN NAMHEE3 citations57
US8246750B2Aug 21, 2012
Apparatus and method for hydrolysis of cellulosic material in a multi-step process to produce C5 and C6 sugars using a single vessel
SHIN NAMHEE1 citations49
US8192549B2Jun 5, 2012
Apparatus and method for hydrolysis of cellulosic material in a two-step process
SHIN NAMHEE0 citations38