Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556529 | Electrolyser frame concept, method and use | Hans Jörg Fell, Petr Chladek | 2017-01-31 |
| 8114371 | Process for production of precipitated silica from olivine | Gudmundur Gunnarsson, Lars Øyvind Ekornrød, Birger Langseth, Per Bjøm Engseth | 2012-02-14 |
| 7763221 | Process for complete utilisation of olivine constituents | Tom Rames JØRGENSEN, Aage Aasheim, Birger Langseth | 2010-07-27 |
| 7285192 | Pressure electrolyzer and method for switching off a pressure electrolyzer | Rolf Brand | 2007-10-23 |
| 5167700 | Method and apparatus for remelting and refining or magnesium and magnesium alloys | Jan B. Ronhaug | 1992-12-01 |
| 4784742 | Cathode for magnesium production | Ole J. Kaasa, Gunnar Endal | 1988-11-15 |
| 4385931 | Method and furnace for refining of magnesium | Jan B. Ronhaug | 1983-05-31 |
| 4301339 | Electrical bridge attached to high current switch | Peder R. Solheim | 1981-11-17 |
| 4237111 | Method of manufacturing melted iron oxide | Erik Dessen | 1980-12-02 |