A. Ahlstrom Osakeyhtio

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Iittala, SF

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Patents Grantslast 30 patents

Information Patent Grant
Rider roll assembly in a winder
- Patent number 4,095,755
- Issue date Jun 20, 1978
- A. Ahlstrom Osakeyhtio
- Keijo Kalevi Snygg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for the evaporation of liquids
- Patent number 4,076,576
- Issue date Feb 28, 1978
- A. Ahlstrom Osakeyhtio
- Lauri Tapani Marttala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for washing cellulose pulp from alkali digestion wherein ac...
- Patent number 4,042,452
- Issue date Aug 16, 1977
- A. Ahlstrom Osakeyhtio
- Bengt Arhippainen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for manufacturing a continuous material web of el...
- Patent number 4,021,296
- Issue date May 3, 1977
- A. Ahlstrom Osakeyhtio
- Per Lennart Reiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Plate
- Patent number D244064
- Issue date Apr 19, 1977
- A. Ahlstrom Osakeyhtio
- Tapio Wirkkala
- D07 - Equipment for preparing or serving food or drink not elsewhere specified
Information Patent Grant
Lighting fitting
- Patent number 4,015,114
- Issue date Mar 29, 1977
- A. Ahlstrom Osakeyhtio
- Paavo Antero Paajanen
- F21 - LIGHTING
Information Patent Grant
Protective covering for scaffolding
- Patent number 3,995,715
- Issue date Dec 7, 1976
- A. Ahlstrom Osakeyhtio
- Uolevi Eerikki Virtanen
- E04 - BUILDING
Information Patent Grant
Current collector, provided with a selector, for a conductor rail
- Patent number 3,993,385
- Issue date Nov 23, 1976
- A. Ahlstrom Osakeyhtio
- Leif Sven Seger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dewatering blade locking assembly
- Patent number 3,953,284
- Issue date Apr 27, 1976
- A. Ahlstrom Osakeyhtio
- Osmo Rainer Evalahti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous method and device for withdrawing particulate material f...
- Patent number 3,945,615
- Issue date Mar 23, 1976
- A. Ahlstrom Osakeyhtio
- Jorma Aarne Kullervo Tuomaala
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet laying apparatus
- Patent number 3,942,786
- Issue date Mar 9, 1976
- A. Ahlstrom Osakeyhtio
- Unto Antero Lauren
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Roller
- Patent number 3,941,435
- Issue date Mar 2, 1976
- A. Ahlstrom Osakeyhtio
- Jorma Aarne Kullervo Tuomaala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

A. Ahlstrom Osakeyhtio

Organization

Patents Grantslast 30 patents

Rider roll assembly in a winder

Method and apparatus for the evaporation of liquids

Process for washing cellulose pulp from alkali digestion wherein ac...

Method and device for manufacturing a continuous material web of el...

Plate

Lighting fitting

Protective covering for scaffolding

Current collector, provided with a selector, for a conductor rail

Dewatering blade locking assembly

Continuous method and device for withdrawing particulate material f...

Sheet laying apparatus

Roller