Antti Suonpera

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Jyvaskyla, FI

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer web formation by means of a simple basic-stock system
- Patent number 6,494,993
- Issue date Dec 17, 2002
- Metso Paper, Inc.
- Antti Suonperä
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for degassing an aqueous suspension containing pulp fibers
- Patent number 6,416,632
- Issue date Jul 9, 2002
- Metso Paper, Inc.
- Jaakko Kirjasniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Stock feed system for a multi-layer headbox and method in the opera...
- Patent number 6,270,624
- Issue date Aug 7, 2001
- Valmet Paper Machinery Inc.
- Jyrki Huovila
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process arrangement for the short circulation in a paper or board m...
- Patent number 6,267,845
- Issue date Jul 31, 2001
- Valmet Corporation
- Jouko Hautala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and arrangement for circulating water in a paper machine
- Patent number 6,190,504
- Issue date Feb 20, 2001
- Valmet Corporation
- Markku Karlsson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for arranging water circulation in a paper mill
- Patent number 5,968,317
- Issue date Oct 19, 1999
- Valmet Corporation
- Rainer Gartz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE