Ilkka Roitto

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Patents Grantslast 30 patents

Information Patent Grant
Method for supplying a chemical or chemical compound in a fibrous w...
- Patent number 8,126,583
- Issue date Feb 28, 2012
- Metso Paper, Inc.
- Ilkka Roitto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for separating impurities from machine circula...
- Patent number 7,887,872
- Issue date Feb 15, 2011
- Metso Paper, Inc.
- Markku Viitanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Assembly for an air separator and method for controlling the functi...
- Patent number 6,630,013
- Issue date Oct 7, 2003
- Metso PaperChem Oy
- Martti Myrttinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for measuring the properties of a composition...
- Patent number 6,230,550
- Issue date May 15, 2001
- Valmet-Raisio Oy
- John Bergman
- G01 - MEASURING TESTING
Information Patent Grant
Removing foreign material from coating mix in a circulation system...
- Patent number 6,074,700
- Issue date Jun 13, 2000
- Valmet-Raisio OY
- Ilkka Roitto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Separating Impurities from Machine Circula...
- Publication number 20090181176
- Publication date Jul 16, 2009
- Metso Paper, Inc.
- Markku Viitanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for Supplying a Chemical or Chemical Compound in a Fibrous W...
- Publication number 20090005897
- Publication date Jan 1, 2009
- Metso Paper, Inc.
- Ilkka Roitto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Assembly for an air separator and method for controlling the functi...
- Publication number 20020011151
- Publication date Jan 31, 2002
- Valmet-Raisio Oy
- Martti Myrttinen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL