OS

Otto Kristian Sonju

EA Elkem As: 2 patents #14 of 96Top 15%
LA Leiv Eiriksson Nyfotek As: 1 patents #4 of 21Top 20%
NA Norsk Hydro Asa: 1 patents #182 of 584Top 35%
NA Ntnu Technology Transfer As: 1 patents #5 of 16Top 35%
Overall (All Time): #993,987 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9732981 Method and equipment for heat recovery Erling Naess, Torbjorn Slungaard, Bjorn Petter Moxnes 2017-08-15
8292615 Single stage gaseous fuel burner with low NOx emissions Øystein Spangelo, Torbjorn Slungaard, Mario Ditaranto 2012-10-23
6461147 Gas Burner Morten Fossum, Nils A. Rokke 2002-10-08
4846680 Ceramic composite material and a lining for metallurgical smelting furnaces wherein a ceramic composite material is used Per Olav 1989-07-11
4752218 Ceramic composite material and a lining for metallurgical smelting furnaces wherein a ceramic composite material is used Per Olav Nos 1988-06-21