Hanna Rahiala

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Karhula, FI

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Patents Grantslast 30 patents

Information Patent Grant
Filtering medium and use of the said filtering medium for pollution...
- Patent number 7,578,938
- Issue date Aug 25, 2009
- Ahlstrom Corporation
- Kay Rökman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for foam casting using three-dimensional molds
- Patent number 6,531,078
- Issue date Mar 11, 2003
- Ahlstrom Glassfibre Oy
- Eino Laine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Filter Sheet Media and Method for Manufacturing a Filter Sheet Media
- Publication number 20230381698
- Publication date Nov 30, 2023
- Ahlstrom Oyj
- Harri Niemelä
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filtering medium and use of the said filtering medium for pollution...
- Publication number 20050211642
- Publication date Sep 29, 2005
- AHLSTROM RESERCH AND SERVICES
- Kay Rokman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and apparatus for foam casting using three-dimensional molds
- Publication number 20020117768
- Publication date Aug 29, 2002
- Eino Laine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE