Pentti Lehtonen

Person

Jyvasakyla, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Method for sealing of a coating on a roll
- Patent number 6,609,996
- Issue date Aug 26, 2003
- Metso Paper, Inc.
- Kari Niemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for coating a press or transfer belt and a corresponding coa...
- Patent number 6,500,308
- Issue date Dec 31, 2002
- Metso Paper, Inc.
- Pentti Lehtonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing a paper or board machine and coating compo...
- Patent number 6,461,687
- Issue date Oct 8, 2002
- Metso Paper, Inc.
- Juhani Vestola
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process of surface treatment for faces that become contaminated in...
- Patent number 6,423,185
- Issue date Jul 23, 2002
- Metso Paper, Inc.
- Tapio Mäntylä
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Press roll with a ceramic coating, method for manufacturing the sam...
- Patent number 6,167,623
- Issue date Jan 2, 2001
- Valmet Corporation
- Kari Niemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Press roll with a ceramic coating, method for manufacturing the sam...
- Patent number 5,967,959
- Issue date Oct 19, 1999
- Valmet Corporation
- Kari Niemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for coating a roll and a coated roll for a paper machine
- Patent number 5,582,568
- Issue date Dec 10, 1996
- Valmet Corporation
- Pentti S. Lehtonen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for coating a roll of a paper machine
- Patent number 5,553,381
- Issue date Sep 10, 1996
- Valmet Corporation
- Pentti Lehtonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for coating a roll
- Patent number 5,412,870
- Issue date May 9, 1995
- Valmet Paper Machinery, Inc.
- Pentti S. Lehtonen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for forming a coated roll
- Patent number 5,176,940
- Issue date Jan 5, 1993
- Valmet Paper Machinery Inc.
- Jukka Salo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Coated roll for a paper making machine
- Patent number 5,023,985
- Issue date Jun 18, 1991
- Valmet Paper Machinery Inc.
- Jukka Salo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for sealing of a coating on a roll
- Publication number 20020066405
- Publication date Jun 6, 2002
- Kari Niemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Roll for a paper or board machine, method for manufacturing the sam...
- Publication number 20010024723
- Publication date Sep 27, 2001
- Juhani Vestola
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Pentti Lehtonen

Person

Patents Grantslast 30 patents

Method for sealing of a coating on a roll

Method for coating a press or transfer belt and a corresponding coa...

Method for manufacturing a paper or board machine and coating compo...

Process of surface treatment for faces that become contaminated in...

Press roll with a ceramic coating, method for manufacturing the sam...

Press roll with a ceramic coating, method for manufacturing the sam...

Method for coating a roll and a coated roll for a paper machine

Method for coating a roll of a paper machine

Method for coating a roll

Method for forming a coated roll

Coated roll for a paper making machine

Patents Applicationslast 30 patents

Method for sealing of a coating on a roll

Roll for a paper or board machine, method for manufacturing the sam...