Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570029 | System for treating liquids by applying ultra-violet radiation | Staffan STRAND | 2020-02-25 |
| 10266425 | Liquid treatment module with a recirculation flow | André Ryman, Henrik LAGERSTEDT, Staffan STRAND | 2019-04-23 |
| 6540924 | Method and a device for treating liquids | — | 2003-04-01 |
| 6305692 | Seal device | — | 2001-10-23 |
| 6158959 | Pump impeller | — | 2000-12-12 |
| 6142736 | Pump impeller | — | 2000-11-07 |
| 6139260 | Pump having a pump housing with one or more feeding grooves | — | 2000-10-31 |
| 5577886 | Sealing device for pump impeller | — | 1996-11-26 |
| 5352088 | Pump housing device | — | 1994-10-04 |
| 5310316 | Impeller for a propeller pump | — | 1994-05-10 |
| 5221182 | Vane apparatus for clog resistant pump | — | 1993-06-22 |
| 4981417 | Closed type impeller | — | 1991-01-01 |