Olavi Viitanen

Person

Jyvaskyla, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device in the regulation of a headbox
- Patent number 5,674,363
- Issue date Oct 7, 1997
- Valmet Paper Machinery, Inc.
- Jyrki Huovila
- 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
Steam and condensate coupling for a drying cylinder in a paper machine
- Patent number 5,230,169
- Issue date Jul 27, 1993
- Valmet Paper Machinery Inc.
- Erkki Jaatinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for drawing a web through a group of drying cylin...
- Patent number 5,172,491
- Issue date Dec 22, 1992
- Valmet Paper Machinery Inc.
- Heikki Ilvespaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Suction beam
- Patent number 5,115,581
- Issue date May 26, 1992
- Valmet Paper Machinery Inc.
- Olavi Viitanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Suction roll with turbulence suppression element
- Patent number 5,024,729
- Issue date Jun 18, 1991
- Valmet Paper Machinery Inc.
- Antti Kuhasalo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for drawing a web through a group of drying cylin...
- Patent number 5,022,163
- Issue date Jun 11, 1991
- Valmet Paper Machinery Inc.
- Heikki Ilvespaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Guiding an end conduction strip of a web forwardly from a roll
- Patent number 4,923,567
- Issue date May 8, 1990
- Valmet Paper Machinery Inc.
- Allan Liedes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for guiding a web leader in a paper machine
- Patent number 4,684,443
- Issue date Aug 4, 1987
- Valmet Oy
- Reima Kerttula
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for improving heat transfer in drying cylinders of a pape...
- Patent number 4,542,593
- Issue date Sep 24, 1985
- Valmet Oy
- Olavi Viitanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Olavi Viitanen

Person

Patents Grantslast 30 patents

Method and device in the regulation of a headbox

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

Steam and condensate coupling for a drying cylinder in a paper machine

Method and device for drawing a web through a group of drying cylin...

Suction beam

Suction roll with turbulence suppression element

Method and device for drawing a web through a group of drying cylin...

Guiding an end conduction strip of a web forwardly from a roll

Apparatus for guiding a web leader in a paper machine

Apparatus for improving heat transfer in drying cylinders of a pape...