Hannu Kokkala

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Turku, FI

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Patents Grantslast 30 patents

Information Patent Grant
Devices and method for removing broken pulp web from a pulp dryer a...
- Patent number 7,363,730
- Issue date Apr 29, 2008
- Metso Paper, Inc.
- Olli Huhtala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sealing nozzle arranged in a blow box used in the drying section of...
- Patent number 6,317,999
- Issue date Nov 20, 2001
- Metso Paper, Inc.
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Blow box for the drying section of a papermaking machine, method fo...
- Patent number 6,247,247
- Issue date Jun 19, 2001
- Metso Paper, Inc.
- Seppo Yömaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Blow device for a dryer section of a paper machine
- Patent number 5,557,863
- Issue date Sep 24, 1996
- Valmet Corporation
- Hannu Kokkala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device in a cylinder dryer of a paper machine
- Patent number 4,899,463
- Issue date Feb 13, 1990
- Valmet Paper Machinery Inc.
- Pertti Heikkila
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Devices and method for removing broken pulp web from a pulp dryer a...
- Publication number 20060169428
- Publication date Aug 3, 2006
- Metso Paper, Inc.
- Olli Huhtala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE