Porsgrunn, NO All Time

498 patents  ·  184 inventors

Ranked #6,000 of 111,555 cities Top 6%

Showing 51–100 of 184 inventors

Rank Inventor Primary Company Patents
#42 Kari-Anne Leth-Olsen Norsk Hydro Asa 3
#42 Gunnar Kongshaug Norsk Hydro Asa 3
#42 Jon Hovland Norsk Hydro Asa 3
#42 Lola Irene Sanna Norsk Hydro Asa 3
#42 Turid Risdal Norsk Hydro Asa 3
#42 Lars Moland Norsk Hydro Asa 3
#42 Jan Birger Isaksen Norsk Hydro Asa 3
#42 Robert Aasheim Statoil Asa 3
#42 Eyvind M. Thiis-Evensen — 3
#42 Geir Viktor Gundersen Norsk Hydro Asa 3
#42 Jon Sigurd Berntsen Seabed Separation As 3
#42 Bård Sæthre Norsk Hydro Asa 3
#42 Knut A. Andreassen Norsk Hydro Asa 3
#42 Lars Ole Valøen Electrovaya 3
#65 Arne Gidløv Grønvold — 2
#65 Erik Sandvold Norsk Hydro Asa 2
#65 Bjarne Jansen — 2
#65 Ole Ringdal Norsk Hydro Asa 2
#65 Erik Pavels Petersen — 2
#65 Robertus LOUWE Yara International Asa 2
#65 Leif A. Kristiansen Norsk Hydro Asa 2
#65 Hakon Westengen Norsk Hydro Asa 2
#65 Elina Koski Borealis A/S 2
#65 Olav Skyllingstad Norsk Hydro Asa 2
#65 Henry K. Johnsen Norsk Hydro Asa 2
#65 Tord B Martinsen — 2
#65 Are Dyrøy Norsk Hydro Asa 2
#65 Gry Pedersen Kojen Equinor Energy As 2
#65 Arne Valle Equinor Energy As 2
#65 Christian Rosenkilde Equinor Energy As 2
#65 Bjørn Pettersen Kongsberg Defence & Aerospace As 2
#65 Anita Kass — 2
#65 Tor A. Ommundsen Geophysical Company Of Norway A/S 2
#65 Svein Stall Eggen Borealis Polymers Oy 2
#65 Tanja Vojnovic — 2
#65 Carlos Barreto Soler — 2
#65 Jan-Arild Zinke Abb Technology Ag 2
#65 Marianne Søbye Grønvold Yara International Asa 2
#65 Lars Hardli Schlumberger Norge As 2
#65 Pouria Homayonifar Rec Solar Pte. 2
#65 Odd-Arne Lorentsen Norsk Hydro Asa 2
#65 Klaus Schöffel Yara International Asa 2
#93 Trygve Heggebo Norsk Hydro Asa 1
#93 Arne Talmoen Norsk Hydro Asa 1
#93 Jan P. Eskilt Norsk Hydro Asa 1
#93 Bent Aanonsen Dyno Industrier Asa 1
#93 Per Bjøm Engseth — 1
#93 Ingrid T. BUCKHURST — 1
#93 Paul-Johny Odberg Dyno Industrier Asa 1
#93 Tormod Hertzenberg National Oilwell Varco Norway As 1