Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8728385 | Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes | Olaf Trygve Vegge, Harald Haaland, Jarle Erland Herstad, Constantin Jorgensen | 2014-05-20 | $30,659,000 |
| 7169207 | Device and method for treatment of gases | Olaf Trygve Vegge | 2007-01-30 | $53,463,000 |
| 6980580 | Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace | Jan A. Aune, Kai Johansen | 2005-12-27 | $114,722,000 |