Raimo Virta

Person

Turku, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device in the dryer section of a paper/board machine
- Patent number 6,418,639
- Issue date Jul 16, 2002
- Metso Paper, Inc.
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and method for threading a moist web in a pulp dryer or the...
- Patent number 6,358,366
- Issue date Mar 19, 2002
- Metso Paper, Inc.
- Pertti Hongisto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sealing nozzle arranged in a blow box used in the drying section of...
- Patent number 6,317,999
- Issue date Nov 20, 2001
- Metso Paper, Inc.
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Blow box for the drying section of a papermaking machine, method fo...
- Patent number 6,247,247
- Issue date Jun 19, 2001
- Metso Paper, Inc.
- Seppo Yömaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process and system for promoting complete web support within the dr...
- Patent number 6,105,277
- Issue date Aug 22, 2000
- Valmet, Inc.
- Kari Lindberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Roll for a paper machine, in particular for a paper drying device,...
- Patent number 5,996,244
- Issue date Dec 7, 1999
- Valmet Corporation
- Pekka Saarikivi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for stabilizing the running of a paper web in con...
- Patent number 5,720,852
- Issue date Feb 24, 1998
- Valmet Paper Machinery Inc.
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Suction roll or cylinder and method for removing air from a suction...
- Patent number 5,635,034
- Issue date Jun 3, 1997
- Valmet Corporation
- Olavi Viitanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and arrangement in a multi-cylinder dryer of a paper machine
- Patent number 5,535,527
- Issue date Jul 16, 1996
- Valmet Corporation
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for ventilating pocket spaces in a multi-cylinder...
- Patent number 5,524,360
- Issue date Jun 11, 1996
- Valmet Paper Machinery Inc.
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for stabilization of a paper web in a group of cy...
- Patent number 5,509,215
- Issue date Apr 23, 1996
- Valmet Paper Machinery Inc.
- Vesa Koiranen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device in a paper machine
- Patent number 5,152,076
- Issue date Oct 6, 1992
- Valmet Paper Machinery Inc.
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus in the drying section of a paper making machin...
- Patent number 5,019,213
- Issue date May 28, 1991
- Valmet Paper Machinery Inc.
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of and device for pocket ventilation in the drying section o...
- Patent number 4,953,297
- Issue date Sep 4, 1990
- Valmet Paper Machinery Inc.
- Pekka Eskelinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus in a paper machine single-wire drying group
- Patent number 4,905,380
- Issue date Mar 6, 1990
- Valmet Paper Machinery Inc.
- Pekka Eskelinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for resisting formation of undulations in a fiber/water mixt...
- Patent number 4,892,622
- Issue date Jan 9, 1990
- Valmet Oy
- Raimo Malkki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus in a drying section of a paper machine
- Patent number 4,628,618
- Issue date Dec 16, 1986
- Valmet Oy
- Raimo Virta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Raimo Virta

Person

Patents Grantslast 30 patents

Method and device in the dryer section of a paper/board machine

System and method for threading a moist web in a pulp dryer or the...

Sealing nozzle arranged in a blow box used in the drying section of...

Blow box for the drying section of a papermaking machine, method fo...

Process and system for promoting complete web support within the dr...

Roll for a paper machine, in particular for a paper drying device,...

Method and device for stabilizing the running of a paper web in con...

Suction roll or cylinder and method for removing air from a suction...

Method and arrangement in a multi-cylinder dryer of a paper machine

Method and device for ventilating pocket spaces in a multi-cylinder...

Method and device for stabilization of a paper web in a group of cy...

Method and device in a paper machine

Method and apparatus in the drying section of a paper making machin...

Method of and device for pocket ventilation in the drying section o...

Method and apparatus in a paper machine single-wire drying group

Method for resisting formation of undulations in a fiber/water mixt...

Apparatus in a drying section of a paper machine