Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–23 of 23 inventors

Rank Inventor Primary Company Patents
1 Rune Freyer Halliburton Energy Services 5
2 Kristian Solhaug Halliburton Energy Services 2
2 Helge Fossan Laerdal Medical As 2
2 Knut H. Nesland ExxonMobil 2
#5 Hallgrim Ludvigsen Schlumberger Technology 1
#5 Jan Freyer Halliburton Energy Services 1
#5 Alf Egil Stensen 1
#5 Tore Laerdal Asmund S. Laerdal A/S 1
#5 Mathias Molden Laerdal Medical As 1
#5 Christopher J. Chalker Halliburton Energy Services 1
#5 T. Kjetil Froyland 1
#5 Mari Synnove Ullensvang Helgeland 1
#5 Gunnar Lende Halliburton Energy Services 1
#5 Sven Revheim 1
#5 Terje Baustad Roxar Flow Measurement As 1
#5 Michael Nickel Schlumberger Technology 1
#5 Stein Olaussen Halliburton Energy Services 1
#5 Jostein Havardsholm Laerdal Medical As 1
#5 Tom Unsgaard Weatherford/Lamb 1
#5 Øyvind Tjølsen Laerdal Medical As 1
#5 Frederik Clausager Vemb HANSEN Laerdal Medical As 1
#5 John Helvik Tdw Offshore Services Sa 1
#5 Steffen S. Kristiansen Smith International 1