Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313279 | Air purifier | Lars Henrik DUNBERGER, Alagirisamy NETHAJI | 2025-05-27 |
| 12246971 | Multipass water filter | — | 2025-03-11 |
| 11690460 | Air purification tent | — | 2023-07-04 |
| 11578885 | Air treatment device for a ventilation air inlet | — | 2023-02-14 |
| 10099225 | Air cleaning device | — | 2018-10-16 |
| 9919587 | Vehicle with ionizing unit for cleaning air to cabin | — | 2018-03-20 |
| 9919252 | Air purifier device with coupling mechanism | Elin Engberg | 2018-03-20 |
| D797914 | Air cleaner in various heights | Joakim Nygren | 2017-09-19 |
| 9694369 | Air purifier device with ionizing means | Elin Engberg | 2017-07-04 |
| 9636617 | Air purifier device with fan duct | Elin Engberg | 2017-05-02 |
| D591413 | Air purifier | Bengt Rittri | 2009-04-28 |
| D591412 | Air purifier | Bengt Rittri | 2009-04-28 |
| D580539 | Air purifier | Bengt Rittri | 2008-11-11 |
| 7323104 | Water filtering device | — | 2008-01-29 |
| D549314 | Air filter cartridge | — | 2007-08-21 |
| 6790259 | Method and device for cleaning a gaseous fluid using a conductive grid between charging head and filter | Bengt Rittri | 2004-09-14 |
| 6540804 | Air cleaner | — | 2003-04-01 |
| 6364935 | Method and device for cleaning of a gaseous fluid | — | 2002-04-02 |