A. Ahlstrom / A Finnish Corporation

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Noormarkku, FI

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for pumping a liquid
- Patent number 5,324,166
- Issue date Jun 28, 1994
- A. Ahlstrom / A Finnish Corporation
- Jorma Elonen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Mass tower and method of making the same
- Patent number 5,319,902
- Issue date Jun 14, 1994
- A. Ahlstrom
- Ilkka Seppa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for improving the control and treatment of fib...
- Patent number 5,279,709
- Issue date Jan 18, 1994
- A. Ahlstrom
- Toivo Niskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multistage evaporating system
- Patent number 4,953,607
- Issue date Sep 4, 1990
- A. Ahlstrom
- Kiiskila Erkki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE