Raimo Kohonen

Person

Savonlinna, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Arrangement and rotor for screening of pulp
- Patent number 6,719,145
- Issue date Apr 13, 2004
- Andritz Oy
- Pasi Härkönen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for treating a fiber suspension
- Patent number RE36297
- Issue date Sep 14, 1999
- A. Ahlstrom Corporation
- Jukka Heino
- 210 - Liquid purification or separation
Information Patent Grant
Multistage disc filter
- Patent number 5,641,402
- Issue date Jun 24, 1997
- Ahlstrom Machinery Oy
- Raimo Kohonen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for treating a gas containing aqueous fiber su...
- Patent number 5,267,655
- Issue date Dec 7, 1993
- A. Ahlstrom Corporation
- Jukka Heino
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for treating a fiber suspension
- Patent number 5,264,138
- Issue date Nov 23, 1993
- A. Ahlstrom Corporation
- Jukka Heino
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for improving flotation separation
- Patent number 5,240,621
- Issue date Aug 31, 1993
- A. Ahlstrom Corporation
- Jorma Elonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for removing liquid from the thickeners, filters, and was...
- Patent number 5,227,058
- Issue date Jul 13, 1993
- A. Ahlstrom Corporation
- Pasi Immonen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter cylinder with drainage surface
- Patent number 5,160,434
- Issue date Nov 3, 1992
- A. Ahlstrom Corporation
- Jukka Heino
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for treating fiber suspension
- Patent number 5,073,264
- Issue date Dec 17, 1991
- A. Ahlstrom Corporation
- Pasi H. Immonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus of discharging a disc filter
- Patent number 4,943,372
- Issue date Jul 24, 1990
- A. Ahlstrom Corporation
- Raimo Kohonen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Procedure for filtering lime sludge meant to be regenerated to lime
- Patent number 4,687,583
- Issue date Aug 18, 1987
- Enso-Gutzeit Oy
- Matti Lankinen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Disc filter
- Patent number 4,678,574
- Issue date Jul 7, 1987
- Enzo-Gutzeit OY
- Tapani Niiranen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter press
- Patent number 4,354,934
- Issue date Oct 19, 1982
- Enso-Gutzeit Osakeyhtio
- Raimo Kohonen
- B30 - PRESSES
Information Patent Grant
Procedure and apparatus for cellulose washing
- Patent number 4,292,123
- Issue date Sep 29, 1981
- Enso-Gutzeit Osakeytio
- Tuomo Lintunen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Raimo Kohonen

Person

Patents Grantslast 30 patents

Arrangement and rotor for screening of pulp

Method and apparatus for treating a fiber suspension

Multistage disc filter

Method and apparatus for treating a gas containing aqueous fiber su...

Method and apparatus for treating a fiber suspension

Method and apparatus for improving flotation separation

Apparatus for removing liquid from the thickeners, filters, and was...

Filter cylinder with drainage surface

Apparatus for treating fiber suspension

Method and apparatus of discharging a disc filter

Procedure for filtering lime sludge meant to be regenerated to lime

Disc filter

Filter press

Procedure and apparatus for cellulose washing