Bertel Karlstedt

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Parainen, FI

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Patents Grantslast 30 patents

Information Patent Grant
Flotation dryer unit and method of use
- Patent number 6,289,607
- Issue date Sep 18, 2001
- Metso Paper, Inc.
- Rami Aaltonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for drying a coating on a paper web or equivalent
- Patent number 5,771,602
- Issue date Jun 30, 1998
- Valmet Corporation
- Pertti Heikkila
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Arrangement for lowering the noise level of a cooling layer in a pu...
- Patent number 5,608,973
- Issue date Mar 11, 1997
- Valmet Corporation
- Bertel Karlstedt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device in contact-free treatment of a web
- Patent number 5,570,519
- Issue date Nov 5, 1996
- Valmet Corporation
- Richard Solin
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Device for supporting, turning and spreading of a web
- Patent number 5,199,623
- Issue date Apr 6, 1993
- Valmet Paper Machinery Inc.
- Raimo Rajala
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL