Membership
Tour
Register
Log in
Henrik Pettersson
Follow
Person
Mynamaki, FI
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Sound attenuator for low frequencies, method for manufacturing soun...
Patent number
8,272,475
Issue date
Sep 25, 2012
Metso Paper, Inc.
Kalle Helenius
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Impingement system in the drying section of a paper machine or the...
Patent number
7,089,682
Issue date
Aug 15, 2006
Metso Paper, Inc.
Hans Sundqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reactive silencer for industrial air channels and its use
Patent number
6,530,452
Issue date
Mar 11, 2003
Metso Paper, Inc.
Henrik Pettersson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for reducing the consumption of fresh water in a paper mill...
Patent number
5,961,784
Issue date
Oct 5, 1999
Valmet Corporation
Pertti Heikkila
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Hood for a wire part and for a press section
Patent number
5,666,740
Issue date
Sep 16, 1997
Valmet Corporation
Antti Leinonen
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
Sound attenuator for low frequencies, in particular for air ducts i...
Patent number
5,268,541
Issue date
Dec 7, 1993
Valmet Paper Machinery Inc.
Henrik Pettersson
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Absorptive sound attenuator, in particular for air ducts in paper m...
Patent number
5,260,523
Issue date
Nov 9, 1993
Valmet Paper Machinery, Inc.
Henrik Pettersson
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
Sound Attenuator for Low Frequencies, Method for Manufacturing Soun...
Publication number
20110061968
Publication date
Mar 17, 2011
Kalle Helenius
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Impingement system in the drying section of a paper machine or the...
Publication number
20040128858
Publication date
Jul 8, 2004
Hans Sundqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE