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KVAERNER PULPING AKTIEBOLAG
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651 15 KARLSTAD, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Peroxide bleach sequence including an acidic bleach stage and inclu...
Patent number
6,605,181
Issue date
Aug 12, 2003
Kvaerner Pulping Aktiebolag
Anders Bergqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Totally chlorine free bleaching process using recovered filtrate
Patent number
6,336,994
Issue date
Jan 8, 2002
Kvaerner Pulping Aktiebolag
Åke Backlund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pressurized peroxide bleaching vessel having a rotatable scraper ar...
Patent number
6,096,170
Issue date
Aug 1, 2000
Kvaerner Pulping aktiebolag
Hans Olsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Valve system
Patent number
5,934,318
Issue date
Aug 10, 1999
Kvaerner Pulping aktiebolag
Ulf Jansson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and device for feeding out fibre pulp
Patent number
5,688,369
Issue date
Nov 18, 1997
Kvaerner Pulping Aktiebolag
Lars Landmark
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of reducing the resin content in sulfite pulp
Patent number
5,605,604
Issue date
Feb 25, 1997
Kvaerner Pulping Aktiebolag
Bjorn Dillner
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pulp production
Patent number
5,593,544
Issue date
Jan 14, 1997
Kvaerner Pulping Aktiebolag
Christer Fahlgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Digester for cooking pulp having staggered circular screens for iso...
Patent number
5,567,280
Issue date
Oct 22, 1996
Kvaerner Pulping Aktiebolag
Ake Backlund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76496509 - COMPACT PRESS
Serial number
76496509
Registration number
2801605
Filing date
Mar 10, 2003
Kvaerner Pulping Aktiebolag
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
78186858 - PREPOX
Serial number
78186858
Registration number
2819753
Filing date
Nov 20, 2002
Kvaerner Pulping Aktiebolag
7 - Machines and machine tools
Information
Trademark
75349834 - MPC
Serial number
75349834
Registration number
2227578
Filing date
Sep 2, 1997
KVAERNER PULPING AKTIEBOLAG
7 - Machines and machine tools
Information
Trademark
74391774 - ITC ISO THERMAL COOKING
Serial number
74391774
Filing date
May 17, 1993
KAMYR AB
7 - Machines and machine tools
Information
Trademark
74389312 - ITC
Serial number
74389312
Registration number
2127498
Filing date
May 7, 1993
KAMYR AB
7 - Machines and machine tools