Rune Nilsen

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Hundvag, NO

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Patents Grantslast 30 patents

Information Patent Grant
Sleeve valve for controlling fluid flow between a hydrocarbon reser...
- Patent number 6,951,331
- Issue date Oct 4, 2005
- Triangle Equipment AS
- Per Olav Haughom
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device for an opening in an outer sleeve of a sleeve valve and a me...
- Patent number 6,880,638
- Issue date Apr 19, 2005
- Triangle Equipment AG
- Per Olav Haughom
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Device for an opening in an outer sleeve of a sleeve valve and a me...
- Publication number 20040046143
- Publication date Mar 11, 2004
- Per Olav Haughom
- E21 - EARTH DRILLING MINING
Information Patent Application
Sleeve valve for controlling fluid flow between a hydrocarbon reser...
- Publication number 20040041120
- Publication date Mar 4, 2004
- Per Olav Haughom
- E21 - EARTH DRILLING MINING