SS

Sigbjorn Sangesland

OA Ocean Riser Systems As: 2 patents #2 of 7Top 30%
NA Norsk Hydro Asa: 1 patents #182 of 584Top 35%
Overall (All Time): #989,084 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10156105 Drill apparatus for a floating drill rig Ole Morten Aamo 2018-12-18
8978774 System and method for drilling a subsea well Borre Fossli 2015-03-17
7367410 Method and device for liner system 2008-05-06
5404953 Blow-out prevention device for shutting off an annulus between a drill column and a well wall when drilling for oil or gas 1995-04-11
5368114 Under-reaming tool for boreholes Geir Tandberg, Asbjorn Andersen 1994-11-29