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Harri T. Qvintus
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Savonlinna, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Method and arrangement for washer seal control
Patent number
12,331,835
Issue date
Jun 17, 2025
Andritz Oy
Mikko Pesonen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Arrangement for tilting or turning a working instrument
Patent number
12,139,878
Issue date
Nov 12, 2024
ROTYX OY
Asko Toropainen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus for treating pulp
Patent number
5,139,671
Issue date
Aug 18, 1992
A. Ahlstrom Corporation
Kaj O. Henricson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for washing pulp
Patent number
5,116,423
Issue date
May 26, 1992
A. Alhstrom Corporation
Seppo K. Kokkonen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for treating pulp
Patent number
4,952,314
Issue date
Aug 28, 1990
A. Ahlstrom Corporation
Kaj O. Henricson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for washing pulp
Patent number
4,919,158
Issue date
Apr 24, 1990
A. Ahlstrom Corporation
Seppo K. Kokkonen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Packing arrangement for sealing the surface of a rotary drum like o...
Patent number
4,795,170
Issue date
Jan 3, 1989
Enso-Gutzeit OY
Seppo Kokkonen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus for washing cellulose with a rotary drum
Patent number
4,769,986
Issue date
Sep 13, 1988
Enso-Gutzeit OY
Seppo Kokkonen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND ARRANGEMENT FOR WASHER SEAL CONTROL
Publication number
20230304582
Publication date
Sep 28, 2023
ANDRITZ OY
Mikko PESONEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ARRANGEMENT FOR TILTING OR TURNING A WORKING INSTRUMENT
Publication number
20230086350
Publication date
Mar 23, 2023
ROTYX OY
Asko TOROPAINEN
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING