Hannu U. Ronkonharju

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Kyminlinna, FI

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for washing pulps
- Patent number 8,052,839
- Issue date Nov 8, 2011
- Andritz Oy
- Olavi Pikka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for separating soap
- Patent number 6,582,601
- Issue date Jun 24, 2003
- Andritz Oy
- Pasi Heinämäki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and arrangement for the treatment of a fiber suspension
- Patent number 5,571,384
- Issue date Nov 5, 1996
- A. Ahlstrom Corporation
- Olavi Pikka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and arrangement for the treatment of a fiber suspension
- Patent number 5,470,432
- Issue date Nov 28, 1995
- A. Ahlstrom Corporation
- Olavi Pikka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for separating knots
- Patent number 4,927,529
- Issue date May 22, 1990
- A. Ahlstrom Corporation
- Kaj O. Henricson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Method for Washing Pulps
- Publication number 20080196848
- Publication date Aug 21, 2008
- ANDRITZ OY
- Olavi Pikka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE