Hege Lill Birkeland

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Kongsberg, NO

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Patents Grantslast 30 patents

Information Patent Grant
Gate valve
- Patent number 6,942,194
- Issue date Sep 13, 2005
- Danfoss Esco AS
- Roar Gravningen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Gate valve
- Publication number 20050098756
- Publication date May 12, 2005
- Roar Gravningen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...