AHLSTROM MACHINERY OY

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FIN-00440 HELSINKI, FI

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Patents Grantslast 30 patents

Information Patent Grant
Deaeration vessel
- Patent number 6,096,120
- Issue date Aug 1, 2000
- Ahlstrom Machinery Oy
- Harry Erlund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of inhibiting scaling in black liquor evaporators
- Patent number 6,090,240
- Issue date Jul 18, 2000
- Ahlstrom Machinery Oy
- Henrik Eneberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of treating pulp
- Patent number 6,086,713
- Issue date Jul 11, 2000
- Ahlstrom Machinery Oy
- Harri Qvintus
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of separating impurities from lime and lime sludge
- Patent number 6,074,521
- Issue date Jun 13, 2000
- Ahlstrom Machinery Oy
- Holgor Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of treating melodorous gases of a pulp mill
- Patent number 6,030,494
- Issue date Feb 29, 2000
- Ahlstrom Machinery Oy
- Mikko Hupa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Protection of the air ports of a recovery boiler
- Patent number 6,024,028
- Issue date Feb 15, 2000
- Ahlstrom Machinery Oy
- Jorma Simonen
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method and apparatus for treating filler-containing material such a...
- Patent number 5,996,806
- Issue date Dec 7, 1999
- Ahlstrom Machinery Oy
- Pentti Vikio
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Lime sludge feed arrangement
- Patent number 5,989,018
- Issue date Nov 23, 1999
- Ahlstrom Machinery Oy
- Arto Ahvenainen
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Disrupting the flow from the smelt spout of a recovery boiler
- Patent number 5,976,319
- Issue date Nov 2, 1999
- Ahlstrom Machinery Oy
- Raimo Paju
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screen
- Patent number 5,960,962
- Issue date Oct 5, 1999
- Ahlstrom Machinery Oy
- Risto Ljokkoi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for cleaning a filter drum used for thickening...
- Patent number 5,897,788
- Issue date Apr 27, 1999
- Ahlstrom Machinery Oy
- Vesa Ketolainen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Recovery boiler operation with black liquor feed in separate liquid...
- Patent number 5,879,511
- Issue date Mar 9, 1999
- Ahlstrom Machinery Oy
- Erik .ANG.gren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Falling film evaporator
- Patent number 5,837,096
- Issue date Nov 17, 1998
- Ahlstrom Machinery Oy
- Olof Fagerlind
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method and apparatus for improving a batch cooking process
- Patent number 5,800,674
- Issue date Sep 1, 1998
- Ahlstrom Machinery Oy
- Mauno Iivonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Economizer system
- Patent number 5,787,844
- Issue date Aug 4, 1998
- Ahlstrom Machinery Oy
- Raimo Paju
- F22 - STEAM GENERATION
Information Patent Grant
Clarifying and/or filtering of green liquor and an apparatus therefore
- Patent number 5,788,813
- Issue date Aug 4, 1998
- Ahlstrom Machinery Oy
- Holger Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for treating filler-containing material, such...
- Patent number 5,776,304
- Issue date Jul 7, 1998
- Ahlstrom Machinery Oy
- Pentti Vikio
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Economizer system with side-by-side economizers
- Patent number 5,769,156
- Issue date Jun 23, 1998
- Ahlstrom Machinery Oy
- Jan Storbacka
- F22 - STEAM GENERATION
Information Patent Grant
Method of bleaching cellulose pulp with peroxide under elevated pre...
- Patent number 5,766,414
- Issue date Jun 16, 1998
- Ahlstrom Machinery Oy
- Markus Alenius
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and arrangement for recovering fiber using disc filtration
- Patent number 5,753,080
- Issue date May 19, 1998
- Ahlstrom Machinery Oy
- Vesa M. Karvonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for treatment of black liquor
- Patent number 5,716,496
- Issue date Feb 10, 1998
- Ahlstrom Machinery Oy
- Erik Agren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of recovering energy from waste liquors from pulp processes
- Patent number 5,707,490
- Issue date Jan 13, 1998
- Ahlstrom Machinery Oy
- Marjo Kuusio
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Feeding suspension to a disc filter
- Patent number 5,705,068
- Issue date Jan 6, 1998
- Ahlstrom Machinery Oy
- Seppo Lukkarinen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Increasing the capacity of a recovery boiler by withdrawing some of...
- Patent number 5,672,246
- Issue date Sep 30, 1997
- Ahlstrom Machinery Oy
- Keijo Raak
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Air contactor with foam separation vessel system
- Patent number 5,662,790
- Issue date Sep 2, 1997
- Ahlstrom Machinery Oy
- Keith A. Carlton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multistage disc filter
- Patent number 5,641,402
- Issue date Jun 24, 1997
- Ahlstrom Machinery Oy
- Raimo Kohonen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Intergral pulp mill and method of constructing an integral mill
- Patent number 5,632,859
- Issue date May 27, 1997
- Ahlstrom Machinery Oy
- Pertti Heitto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Falling film cross filtration apparatus
- Patent number 5,620,596
- Issue date Apr 15, 1997
- Ahlstrom Machinery Oy
- Holger Engdahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Disc filter sector
- Patent number 5,618,422
- Issue date Apr 8, 1997
- Ahlstrom Machinery Oy
- Ari Pelkio
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Clarification of green liquor by falling film cross-flow filtration
- Patent number 5,618,443
- Issue date Apr 8, 1997
- Ahlstrom Machinery Oy
- Holger Engdahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

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Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for mixing a second medium with a first medium
- Publication number 20010006484
- Publication date Jul 5, 2001
- Ahlstrom Machinery Oy
- Kari Peltonen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

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Trademarklast 30 trademarks

Information Trademark
75303507 - DREX
- Serial number 75303507
- Filing date Jun 5, 1997
- Ahlstrom Machinery Oy
- 7 - Machines and machine tools

AHLSTROM MACHINERY OY

Organization

Patents Grantslast 30 patents

Deaeration vessel

Method of inhibiting scaling in black liquor evaporators

Method of treating pulp

Method of separating impurities from lime and lime sludge

Method of treating melodorous gases of a pulp mill

Protection of the air ports of a recovery boiler

Method and apparatus for treating filler-containing material such a...

Lime sludge feed arrangement

Disrupting the flow from the smelt spout of a recovery boiler

Screen

Method and apparatus for cleaning a filter drum used for thickening...

Recovery boiler operation with black liquor feed in separate liquid...

Falling film evaporator

Method and apparatus for improving a batch cooking process

Economizer system

Clarifying and/or filtering of green liquor and an apparatus therefore

Method and apparatus for treating filler-containing material, such...

Economizer system with side-by-side economizers

Method of bleaching cellulose pulp with peroxide under elevated pre...

Method and arrangement for recovering fiber using disc filtration

Method and apparatus for treatment of black liquor

Method of recovering energy from waste liquors from pulp processes

Feeding suspension to a disc filter

Increasing the capacity of a recovery boiler by withdrawing some of...

Air contactor with foam separation vessel system

Multistage disc filter

Intergral pulp mill and method of constructing an integral mill

Falling film cross filtration apparatus

Disc filter sector

Clarification of green liquor by falling film cross-flow filtration

Patents Applicationslast 30 patents

Method and apparatus for mixing a second medium with a first medium

Trademarklast 30 trademarks

75303507 - DREX