Keijo Lehmikangas

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Puolanka, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method and measuring arrangement for measuring paper surface
- Patent number 6,549,286
- Issue date Apr 15, 2003
- Metso Automation Oy
- Hannu Komulainen
- G01 - MEASURING TESTING
Information Patent Grant
Method and measuring arrangement for measuring paper surface
- Patent number 6,504,617
- Issue date Jan 7, 2003
- Metso Paper Automation Oy
- Hannu Komulainen
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring particles in suspension and measuring instrument
- Patent number 6,311,550
- Issue date Nov 6, 2001
- Metso Field Systems Oy
- Keijo Lehmikangas
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method and measuring arrangement for measuring paper
- Publication number 20020114494
- Publication date Aug 22, 2002
- Metso Paper Automation Oy
- Hannu Komulainen
- G01 - MEASURING TESTING
Information Patent Application
Method and measuring arrangement for measuring paper surface
- Publication number 20020113975
- Publication date Aug 22, 2002
- Metso Paper Automation Oy
- Hannu Komulainen
- G01 - MEASURING TESTING