JH

John Erik Hafsås

NA Norsk Hydro Asa: 5 patents #30 of 584Top 6%
📍 Sunndalsøra, NO: #3 of 34 inventorsTop 9%
Overall (All Time): #963,950 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10994328 Method for casting Arild Håkonsen, Rune Ledal, Britt Elin Gihleengen, Knut Omdal Tveito, Kjerstin Ellingsen +2 more 2021-05-04
10500635 Equipment for continuous or semi-continuous casting of metal with improved metal filling arrangement Geir Atle Røen, Daniel Anders Sjølset, Arild Håkonsen, Rune Ledal, Ulf Tundal 2019-12-10
8413711 Arrangement related to equipment for continuous or semi-continuous casting of metal Bjørn Vaagland, John Olav Fagerlie, Arild Håkonsen, Geir Øyen, Terje Iveland 2013-04-09
7445037 Method and equipment for continuous or semicontinuous casting of metal Bjarne Heggset, Bjørn Vaagland, Steinar Benum, Geir Olav Ånesbug, Torstein Sæther 2008-11-04
6627010 Method for the production of alloys form eutectic alloy systems Oddvin Reiso, Ulf Tundal, Oddgeir Sjøthun 2003-09-30