Juhani Polon

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for changing the characteristic curve of a regulation valve...
- Patent number 4,989,833
- Issue date Feb 5, 1991
- Neles Oy
- Juhani Polon
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for attenuating a medium flow passing through a valve and a...
- Patent number 4,364,415
- Issue date Dec 21, 1982
- Neles Oy
- Juhani Polon
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...