Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9174161 | Process for removal of carbon dioxide from combustion gases | — | 2015-11-03 |
| 6284208 | Method for removing mercury and sulfur dioxide from gases | — | 2001-09-04 |
| 5190088 | Method and apparatus for compressing a wood sample | Jens Ljorring, Ove Emil Hansen | 1993-03-02 |
| 4954228 | Drum electrolysis | — | 1990-09-04 |
| 4954234 | Drum electrolysis | — | 1990-09-04 |
| 4828809 | Separation of nickel from copper in autoclave | Carl O. Kostol, Hans Zachariansen | 1989-05-09 |
| 4773978 | Apparatus for the production of metals by electrolysis | Trygve R. Jarlsby | 1988-09-27 |
| 4671945 | Method for separation and leaching of the valuable metals in sulphide materials | Carl O. Kostol | 1987-06-09 |
| 4337128 | Cupric and ferric chloride leach of metal sulphide-containing material | Carl Haakonsen | 1982-06-29 |