PF

Per Fotland

WE Weatherford/Lamb: 2 patents #315 of 852Top 40%
NA Norsk Hydro Asa: 1 patents #182 of 584Top 35%
📍 Bergen, NO: #58 of 375 inventorsTop 20%
Overall (All Time): #1,584,815 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7156170 Methods and apparatus for severing nested strings of tubulars Tor Jan Akerlund 2007-01-02
6827145 Methods and apparatus for severing nested strings of tubulars Tor Jan Akerlund 2004-12-07
5420040 Method for the measurement of precipitation of asphaltene in oil Hilde Anfindsen, Finn Hallstein Fadnes 1995-05-30