Peter Frafjord

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Hafrsfjord, NO

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement and method for protecting components in subsea systems
- Patent number 5,176,471
- Issue date Jan 5, 1993
- Den Norske Stats Oljeselskap A.S.
- Peter Frafjord
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve including a closing device and sealed connectors
- Patent number 5,129,417
- Issue date Jul 14, 1992
- Den Norske Stats Oljeselskap A.S.
- Pierre Dupont
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...