KA

Knut A. Andreassen

NA Norsk Hydro Asa: 2 patents #96 of 584Top 20%
📍 Porsgrunn, NO: #42 of 184 inventorsTop 25%
Overall (All Time): #1,681,180 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4432859 Diaphragm for water electrolysis Olav A. Eide, Gerhard Beyer 1984-02-21
4308116 Method and electrolyzer for production of magnesium Oystein Boyum, Henry K. Johnsen, Leiv B. Ognedal, Peder R. Solheim 1981-12-29
4198282 Replaceable cathode unit suitable as a module for building up of stable, non-deformable cathode systems in electrolyzers for the production of magnesium, and an electrolyzer with cathode units incorporated therein Henry K. Johnsen, Peder R. Solheim, Sigbjorn Kleveland 1980-04-15