A. Ahlstrom Osakeyhtio

Organization

Noormarkku, FI

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst bed for exothermal reactions between gases and/or other fl...
- Patent number 5,141,720
- Issue date Aug 25, 1992
- A. Ahlstrom Osakeyhtio
- Rolf Malmstrom
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Fluidized bed reactor
- Patent number 4,874,584
- Issue date Oct 17, 1989
- A. Ahlstrom Osakeyhtio
- Seppo Ruottu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluidized bed reactor
- Patent number 4,867,948
- Issue date Sep 19, 1989
- A. Ahlstrom Osakeyhtio
- Seppo Ruottu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for fiberizing and screening of fibrous materials
- Patent number 4,687,146
- Issue date Aug 18, 1987
- A. Ahlstrom Osakeyhtio
- Frey Sundman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for defiberizing, screening and pumping cellulose pulp or...
- Patent number 4,619,736
- Issue date Oct 28, 1986
- A. Ahlstrom Osakeyhtio
- Kaj O. Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for detection of knots or the like in sawn lumber
- Patent number 4,607,212
- Issue date Aug 19, 1986
- A. Ahlstrom Osakeyhtio
- Pekka Jakkula
- G01 - MEASURING TESTING
Information Patent Grant
Centrifugal pump for liquids containing solid material
- Patent number 4,594,052
- Issue date Jun 10, 1986
- A. Ahlstrom Osakeyhtio
- Toivo Niskanen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Process for washing fibre stock
- Patent number 4,558,477
- Issue date Dec 17, 1985
- A. Ahlstrom Osakeyhtio
- Frey Sundman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for affecting a web drained on a wire
- Patent number 4,557,802
- Issue date Dec 10, 1985
- A. Ahlstrom Osakeyhtio
- Veikko K. T. Waris
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for washing fibre stock
- Patent number 4,557,120
- Issue date Dec 10, 1985
- A. Ahlstrom Osakeyhtio
- Frey Sundman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chipping blade
- Patent number D281432
- Issue date Nov 19, 1985
- A. Ahlstrom Osakeyhtio
- Jorma Tuomaala
- D15 - Machines not elsewhere specified
Information Patent Grant
Method and apparatus for web forming
- Patent number 4,554,052
- Issue date Nov 19, 1985
- A. Ahlstrom Osakeyhtio
- Tapio Waris
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Thermal stabilizing system for a headbox of a papermachine
- Patent number 4,552,619
- Issue date Nov 12, 1985
- A. Ahlstrom Osakeyhtio
- Sakari Laitinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for packaging paper rolls
- Patent number 4,534,151
- Issue date Aug 13, 1985
- A. Ahlstrom Osakeyhtio
- Hans Schneck
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of covering the chemical losses in pulp production
- Patent number 4,533,433
- Issue date Aug 6, 1985
- A. Ahlstrom Osakeyhtio
- Karl B. Pettersson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screen plate
- Patent number 4,529,520
- Issue date Jul 16, 1985
- A. Ahlstrom Osakeyhtio
- Harry Lampenius
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sliding two-piece box with tear strip
- Patent number 4,524,901
- Issue date Jun 25, 1985
- A. Ahlstrom Osakeyhtio
- Kyosti Tikka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Two-piece sliding box with tear strip separation
- Patent number 4,524,900
- Issue date Jun 25, 1985
- A. Ahlstrom Osakeyhtio
- Arvo Salminen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for treating a fibrous material
- Patent number 4,518,500
- Issue date May 21, 1985
- A. Ahlstrom Osakeyhtio
- Seppo Virea
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Flaw detection system using microwaves
- Patent number 4,514,680
- Issue date Apr 30, 1985
- A. Ahlstrom Osakeyhtio
- Sakari Heikkila
- G01 - MEASURING TESTING
Information Patent Grant
Method for drying aqueous, solid fuels
- Patent number 4,505,211
- Issue date Mar 19, 1985
- A. Ahlstrom Osakeyhtio
- Charles-Louis V. Lamare
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method and apparatus for detecting grain direction in wood, particu...
- Patent number 4,500,835
- Issue date Feb 19, 1985
- A. Ahlstrom Osakeyhtio
- Sakari Heikkila
- G01 - MEASURING TESTING
Information Patent Grant
Bottle or similar article
- Patent number D277079
- Issue date Jan 8, 1985
- A. Ahlstrom Osakeyhtio
- Veli T. Wirkkala
- D09 - Packages and containers for goods
Information Patent Grant
Apparatus for cutting lumber
- Patent number 4,485,705
- Issue date Dec 4, 1984
- A. Ahlstrom Osakeyhtio
- Urpo Moilanen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Apparatus for washing fiber stock
- Patent number 4,485,646
- Issue date Dec 4, 1984
- A. Ahlstrom Osakeyhtio
- Kaj O. Henricson
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Rotary feeder
- Patent number 4,461,700
- Issue date Jul 24, 1984
- A. Ahlstrom Osakeyhtio
- Seppo Lahtinen
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Press for removing water
- Patent number 4,459,907
- Issue date Jul 17, 1984
- A. Ahlstrom Osakeyhtio
- Frey V. Sundman
- B30 - PRESSES
Information Patent Grant
Method for orienting a log
- Patent number 4,458,567
- Issue date Jul 10, 1984
- A. Ahlstrom Osakeyhtio
- Jorma A. K. Tuomaala
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Method for controlling the alkalinity of feed circulation when preh...
- Patent number 4,456,750
- Issue date Jun 26, 1984
- A. Ahlstrom Osakeyhtio
- Tapani Marttala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for sawing a piece of timber
- Patent number 4,449,557
- Issue date May 22, 1984
- A. Ahlstrom Osakeyhtio
- Olavi Makela
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
76276704 - AHLSTROM
- Serial number 76276704
- Registration number 3064012
- Filing date Jun 26, 2001
- A. Ahlstrom Osakeyhtio
- 16 - Paper, cardboard and goods made from these materials, not included in other classes
Information Trademark
76276705
- Serial number 76276705
- Registration number 2751852
- Filing date Jun 26, 2001
- A. Ahlstrom Osakeyhtio
- 16 - Paper, cardboard and goods made from these materials, not included in other classes
Information Trademark
73447407 - FLUXFLOW
- Serial number 73447407
- Registration number 1405687
- Filing date Oct 11, 1983
- A. AHLSTROM OSAKEYHTIO
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
73379741 - AHLSTROM IVALO
- Serial number 73379741
- Registration number 1315611
- Filing date Aug 13, 1982
- A. Ahlstrom Osakeyhtio
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
73310595 - PUMPDOCTOR
- Serial number 73310595
- Registration number 1272447
- Filing date Dec 11, 1981
- A. AHLSTROM OSAKEYHTIO
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73291836 - KEST
- Serial number 73291836
- Registration number 1238019
- Filing date Jan 5, 1981
- A. Ahlstrom Osakeyhtio
- 7 - Machines and machine tools
Information Trademark
73187857 - FIBREFLOW
- Serial number 73187857
- Registration number 1162466
- Filing date Oct 17, 1978
- A. Ahlstrom Osakeyhtio
- 7 - Machines and machine tools
Information Trademark
73166638 - PYROFLOW
- Serial number 73166638
- Registration number 1195616
- Filing date Apr 17, 1978
- A. Ahlstrom Osakeyhtio
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
72356892 - I
- Serial number 72356892
- Registration number 939861
- Filing date Apr 14, 1970
- A. AHLSTROM OSAKEYHTIO
- 21 - Household or kitchen utensils and containers
Information Trademark
72285300 - FINNPOTS
- Serial number 72285300
- Registration number 874929
- Filing date Nov 21, 1967
- A. AHLSTROM OSAKEYHTIO
- 21 - Household or kitchen utensils and containers

A. Ahlstrom Osakeyhtio

Organization

Patents Grantslast 30 patents

Catalyst bed for exothermal reactions between gases and/or other fl...

Fluidized bed reactor

Fluidized bed reactor

Apparatus for fiberizing and screening of fibrous materials

Apparatus for defiberizing, screening and pumping cellulose pulp or...

Method and apparatus for detection of knots or the like in sawn lumber

Centrifugal pump for liquids containing solid material

Process for washing fibre stock

Apparatus for affecting a web drained on a wire

Apparatus for washing fibre stock

Chipping blade

Method and apparatus for web forming

Thermal stabilizing system for a headbox of a papermachine

Method and apparatus for packaging paper rolls

Method of covering the chemical losses in pulp production

Screen plate

Sliding two-piece box with tear strip

Two-piece sliding box with tear strip separation

Apparatus for treating a fibrous material

Flaw detection system using microwaves

Method for drying aqueous, solid fuels

Method and apparatus for detecting grain direction in wood, particu...

Bottle or similar article

Apparatus for cutting lumber

Apparatus for washing fiber stock

Rotary feeder

Press for removing water

Method for orienting a log

Method for controlling the alkalinity of feed circulation when preh...

Method and apparatus for sawing a piece of timber

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

76276704 - AHLSTROM

76276705

73447407 - FLUXFLOW

73379741 - AHLSTROM IVALO

73310595 - PUMPDOCTOR

73291836 - KEST

73187857 - FIBREFLOW

73166638 - PYROFLOW

72356892 - I

72285300 - FINNPOTS