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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Skien, NO ranks #7,299 worldwide for total patents filed all time, with 317 patents from 110 inventors. Leading employers of inventors based in Skien, NO include Statoil Petroleum As, Statoil Asa, Abb Schweiz Ag.

Showing 1–50 of 110 inventors

Rank Inventor Primary Company Patents
1 Haavard Aakre Statoil Petroleum As 20
2 Siw Bodil Fredriksen 14
3 Hans Kristian Kotlar Statoil Asa 13
#4 Ståle Talmo Abb Schweiz Ag 11
#4 Thor Endre Abb Technology Ag 11
#6 Steinar Pedersen Norsk Hydro Asa 10
#6 Robert Espeseth Abb Technology Ag 10
#6 Birger Sorensen Bionor Immuno As 10
#6 Ole Granhaug Abb Technology Ag 10
#10 Oddmund Wallevik Norsk Hydro Asa 9
#10 Birger Sørensen Bionor Immuno As 9
#10 Paal Kristian Skryten Abb Technology Ag 9
#13 Elham Attar Abb Schweiz Ag 8
#14 Kjetil Fjalestad Statoil Petroleum As 7
#15 Pal Skryten Abb Technology Ag 6
#16 Ole-Jacob Siljan Norsk Hydro Asa 5
#16 Torbjørn Fiveland Equinor Energy As 5
#18 Havard Hadland Abb Technology Ag 4
#18 Terje Thingstad Pettersen Abb Schweiz Ag 4
#18 Rune Bakke Yara International Asa 4
#18 Bent VIGELAND Norsk Hydro Asa 4
#18 Amund MYRSTAD Yara International Asa 4
#18 Richard Lauritzen Abb Schweiz Ag 4
#18 Leif Hj.o slashed.rnevik Norsk Hydro Asa 4
#18 Svein Nenseth 4
#18 Einar Tønnes Lange Bionor Immuno As 4
#18 Bjorn Haugseter Electrovaya 4
#28 Frode Reinholt Norsk Hydro Asa 3
#28 Luigi Serraiocco Yara International Asa 3
#28 Akhilesh Kumar Srivastava Electrovaya 3
#28 Tom Henriksen Electrovaya 3
#28 Terje Jørgensen Norsk Hydro Asa 3
#33 Steffen Botten 2
#33 Leif Hjørnevik Norsk Hydro Asa 2
#33 Gunn-Kristin Sonsteby Abb Research 2
#33 Svein Levi Sekse Pegasus Holdings 2
#33 Erik Dessen Catalyst Services 2
#33 Marius Gundersen 2
#33 Ole Magne Johnsen Norsk Hydro Asa 2
#33 Vidar Moen Norsk Hydro Asa 2
#33 Kjell W. Tveten Norsk Hydro Asa 2
#33 Tore W. Hauk 2
#33 Berit Aanesen Norsk Hydro Asa 2
#33 Kjersti Lied 2
#33 Anund Olsen 2
#33 Arne Carlsen Norsk Hydro Asa 2
#33 Nibal Sahli Yara International Asa 2
#33 Ragnar Haugen Nordic Semiconductor Asa 2
#33 Henrik Hoeyer Condalign As 2
#50 Rune Bendiktsen 1