Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802804 | Method and a device for separation of a surface layer of a liquid body | — | 2004-10-12 |
| 6716153 | Centrifugal separator for separating solids from a liquid mixture centrally fed through a gear device | Rolf Ridderstrale | 2004-04-06 |
| 6712751 | Centrifugal separator for separating solids from a liquid mixture centrally fed through a gear device | Rolf Ridderstrale | 2004-03-30 |