ANDRITZ-AHLSTROM OY

Organization

ESPOO, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for the controlled thickening of low consistency fiber suspe...
- Patent number 7,229,527
- Issue date Jun 12, 2007
- Andritz-Ahlstrom Oy
- Antero Laine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of sealing a rotary drum connection
- Patent number 6,418,637
- Issue date Jul 16, 2002
- Andritz-Ahlstrom Oy
- Arto Ahvenainen
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Cluster rule compliance with reduced steam consumption
- Patent number 6,383,342
- Issue date May 7, 2002
- Andritz-Ahlstrom Oy
- Jan Öhman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching chemical pulp in a PkDQ-Po Sequence
- Patent number 6,375,797
- Issue date Apr 23, 2002
- Andritz-Ahlstrom Oy
- Kaj Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for bleaching pulp using two fluidizing mixers
- Patent number 6,358,363
- Issue date Mar 19, 2002
- Andritz-Ahlstrom Oy
- Kaj Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for treating material having poor thermal cond...
- Patent number 6,354,514
- Issue date Mar 12, 2002
- Andritz-Ahlstrom Oy
- Kaj Henricson
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Batch cooking with black liquor pretreatment
- Patent number 6,350,348
- Issue date Feb 26, 2002
- Andritz-Ahlstrom Oy
- Kaj Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing a wire screen product
- Patent number 6,340,805
- Issue date Jan 22, 2002
- Andritz-Ahlstrom Oy
- Risto Ljokkoi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Acid treatment of pulp at high temperature prior to chlorine dioxid...
- Patent number 6,306,253
- Issue date Oct 23, 2001
- Andritz-Ahlstrom Oy
- Kaj O. Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Inhibiting scaling in alkaline waste liquor evaporators
- Patent number 6,235,151
- Issue date May 22, 2001
- Andritz-Ahlstrom Oy
- Olof Fagerlind
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of treating condensates
- Patent number 6,217,711
- Issue date Apr 17, 2001
- Andritz-Ahlstrom Oy
- Rolf Ryham
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for mixing pulp a suspension with a fluid medi...
- Patent number 6,193,406
- Issue date Feb 27, 2001
- Andritz-Ahlstrom Oy
- Karl Peltonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and plant for separating soap from black liquor using a pres...
- Patent number 6,165,316
- Issue date Dec 26, 2000
- Andritz-Ahlstrom Oy
- Mauno Iivonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Supply of washing liquid in a fractionating multi-stage washer
- Patent number 6,159,338
- Issue date Dec 12, 2000
- Andritz-Ahlstrom Oy
- Harri Qvintus
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Core and a method of manufacturing such
- Patent number 6,159,564
- Issue date Dec 12, 2000
- Andritz-Ahlstrom OY
- Pertti Korhonen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of removing nitrogen oxides from recovery boiler flue gases
- Patent number 6,146,604
- Issue date Nov 14, 2000
- Andritz-Ahlstrom Oy
- Erkki Kiiskila
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for treating pulp in an indirect heat exchanger in connectio...
- Patent number 6,136,145
- Issue date Oct 24, 2000
- Andritz-Ahlstrom Oy
- Kaj O. Henricson
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method of determining pulp properties
- Patent number 6,125,688
- Issue date Oct 3, 2000
- Andritz-Ahlstrom Oy
- Jouni Matula
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Combustion air system for recovery boilers, burning spent liquors f...
- Publication number 20020162491
- Publication date Nov 7, 2002
- ANDRITZ-AHLSTROM OY
- Kari Saviharju
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Compression rings for column relief in continuous cooking vessels
- Publication number 20020059997
- Publication date May 23, 2002
- ANDRITZ-AHLSTROM INC.
- Jay K. Sheerer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Feeding cellulose material to a treatment vessel
- Publication number 20020059991
- Publication date May 23, 2002
- ANDRITZ-AHLSTROM INC.
- Mark D. Barrett
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Feeding comminuted fibrous material
- Publication number 20020059992
- Publication date May 23, 2002
- Andritz Ahlstrom, Inc.
- J. Robert Prough
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Treating pulp with yield or strength-enhancing additive
- Publication number 20020026991
- Publication date Mar 7, 2002
- ANDRITZ-AHLSTROM INC.
- C. Bertil Stromberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and apparatus for pulping sawdust
- Publication number 20020026990
- Publication date Mar 7, 2002
- ANDRITZ-AHLSTROM INC.
- Jay J. Miele
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Pretreatment of chips before cooking
- Publication number 20020017370
- Publication date Feb 14, 2002
- ANDRITZ-AHLSTROM INC.
- Kaj O. Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Frusto-conical outlet for a cellulose material treatment vessel
- Publication number 20010047854
- Publication date Dec 6, 2001
- ANDRITZ-AHLSTROM INC.
- J. Robert Prough
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Frusto-conical outlet for a cellulose material treatment vessel
- Publication number 20010047853
- Publication date Dec 6, 2001
- ANDRITZ-AHLSTROM INC.
- J. Robert Prough
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Cooler for rotary kilns
- Publication number 20010036613
- Publication date Nov 1, 2001
- ANDRITZ-AHLSTROM OY
- Arto Ahvenainen
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
Chip feeding to a comminuted cellulosic fibrous material treatment...
- Publication number 20010025694
- Publication date Oct 4, 2001
- ANDRITZ-AHLSTROM INC.
- Auvo K. Kettunen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and apparatus for continuously pulping cellulosic fibrous ma...
- Publication number 20010023748
- Publication date Sep 27, 2001
- ANDRITZ-AHLSTROM INC.
- Bruno S. Marcoccia
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Tramp material removal from pulp feed system
- Publication number 20010022283
- Publication date Sep 20, 2001
- ANDRITZ-AHLSTROM INC.
- Vic L. Bilodeau
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Acid treatment of pulp at high temperature in connection with bleac...
- Publication number 20010020521
- Publication date Sep 13, 2001
- ANDRITZ-AHLSTROM INC.
- Kaj O. Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Minimization of malodorous gas release from a cellulose pulp mill f...
- Publication number 20010008177
- Publication date Jul 19, 2001
- ANDRITZ-AHLSTROM INC.
- David J. Lebel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Dissolved solids control in pulp production
- Publication number 20010001977
- Publication date May 31, 2001
- Andritz Ahlstrom, Inc.
- Bruno S. Marcoccia
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Trademarklast 30 trademarks

Information Trademark
76368444 - DREX
- Serial number 76368444
- Filing date Feb 8, 2002
- ANDRITZ-AHLSTROM OY
- 7 - Machines and machine tools
Information Trademark
76054791 - ZEDIVAP
- Serial number 76054791
- Filing date May 22, 2000
- Ahlstrom Machinery Corporation
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes

ANDRITZ-AHLSTROM OY

Organization

Patents Grantslast 30 patents

Method for the controlled thickening of low consistency fiber suspe...

Method of sealing a rotary drum connection

Cluster rule compliance with reduced steam consumption

Bleaching chemical pulp in a PkDQ-Po Sequence

Method and apparatus for bleaching pulp using two fluidizing mixers

Method and apparatus for treating material having poor thermal cond...

Batch cooking with black liquor pretreatment

Method of manufacturing a wire screen product

Acid treatment of pulp at high temperature prior to chlorine dioxid...

Inhibiting scaling in alkaline waste liquor evaporators

Method of treating condensates

Method and apparatus for mixing pulp a suspension with a fluid medi...

Method and plant for separating soap from black liquor using a pres...

Supply of washing liquid in a fractionating multi-stage washer

Core and a method of manufacturing such

Method of removing nitrogen oxides from recovery boiler flue gases

Method for treating pulp in an indirect heat exchanger in connectio...

Method of determining pulp properties

Patents Applicationslast 30 patents

Combustion air system for recovery boilers, burning spent liquors f...

Compression rings for column relief in continuous cooking vessels

Feeding cellulose material to a treatment vessel

Feeding comminuted fibrous material

Treating pulp with yield or strength-enhancing additive

Method and apparatus for pulping sawdust

Pretreatment of chips before cooking

Frusto-conical outlet for a cellulose material treatment vessel

Frusto-conical outlet for a cellulose material treatment vessel

Cooler for rotary kilns

Chip feeding to a comminuted cellulosic fibrous material treatment...

Method and apparatus for continuously pulping cellulosic fibrous ma...

Tramp material removal from pulp feed system

Acid treatment of pulp at high temperature in connection with bleac...

Minimization of malodorous gas release from a cellulose pulp mill f...

Dissolved solids control in pulp production

Trademarklast 30 trademarks

76368444 - DREX

76054791 - ZEDIVAP