Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11813617 | Electrode elements of high resistivity for two-step electrofilter | Peter Holmberg | 2023-11-14 |
| 10807103 | Device for cleaning of indoor air | — | 2020-10-20 |
| 10427168 | Precipitator unit | — | 2019-10-01 |
| 9533312 | Method for applying a moisture barrier to a precipitator for a two-step electrofilter | — | 2017-01-03 |
| 8834799 | Air cleaning apparatus | — | 2014-09-16 |
| 8523983 | Device in connection with a circular precipitator for a two-stage electrostatic filter | — | 2013-09-03 |
| 7081155 | Particle separator | — | 2006-07-25 |
| 6398852 | Device for air cleaning | — | 2002-06-04 |
| 6361589 | Device for air cleaning | — | 2002-03-26 |
| 6203600 | Device for air cleaning | — | 2001-03-20 |
| 6117216 | Precipitator for cleaning of air from electrically charged aerosols | — | 2000-09-12 |
| 5993521 | Two-stage electrostatic filter | Vilmos Torok | 1999-11-30 |
| 5980614 | Air cleaning apparatus | Vilmos Torok | 1999-11-09 |
| 5766318 | Precipitator for an electrostatic filter | Vilmos Torok | 1998-06-16 |
| 5180404 | Corona discharge arrangements for the removal of harmful substances generated by the corona discharge | Vilmos Torok | 1993-01-19 |
| 5077500 | Air transporting arrangement | Vilmos Torok | 1991-12-31 |
| 5053912 | Air transporting arrangement | Vilmos Torok | 1991-10-01 |
| 5024685 | Electrostatic air treatment and movement system | Vilmos Torok | 1991-06-18 |
| 5012159 | Arrangement for transporting air | Vilmos Torok | 1991-04-30 |
| 5006761 | Air transporting arrangement | Vilmos Torok | 1991-04-09 |
| 4967119 | Air transporting arrangement | Vilmos Torok | 1990-10-30 |
| 4812711 | Corona discharge air transporting arrangement | Vilmos Torok | 1989-03-14 |