Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6994527 | Process and a device for transport of gas | Odd Strand, Lars-Erik Johansson | 2006-02-07 |
| 6749665 | Method when cleaning a filter | Leif A. V. Lindau | 2004-06-15 |
| 6726020 | Method and device for a dry cleansing plant for aluminum reduction furnaces exhaust gas | Ole K. Bøckman | 2004-04-27 |