Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7116030 | High-speed synchronous motor | — | 2006-10-03 |
| 6741050 | Method of controlling and switching for braking an electronically commutated electrical motor | Walter Wissmach, Rudolf Bauer | 2004-05-25 |
| 6512318 | Self-starting electric brushless motor having permanent magnet and reluctance poles | Walter Wissmach, Roland Schaer | 2003-01-28 |
| 6204587 | Self-Starting electric brushless motor having permanent magnet and reluctance poles | Walter Wissmach, Roland Schaer | 2001-03-20 |
| RE37027 | Electric motor with combined permanent and electromagnets | — | 2001-01-23 |
| 6140731 | Self-starting brushless electric motor | Walter Wissmach, Roland Schaer | 2000-10-31 |
| 6133664 | Self-starting brushless electric motor | Walter Wissmach, Roland Schaer | 2000-10-17 |
| 6127764 | Electric machine | — | 2000-10-03 |
| 5993521 | Two-stage electrostatic filter | Andrzej Loreth | 1999-11-30 |
| 5980614 | Air cleaning apparatus | Andrzej Loreth | 1999-11-09 |
| 5766318 | Precipitator for an electrostatic filter | Andrzej Loreth | 1998-06-16 |
| 5345131 | Electric motor with combined permanent and electromagnets | — | 1994-09-06 |
| 5180404 | Corona discharge arrangements for the removal of harmful substances generated by the corona discharge | Andrzej Loreth | 1993-01-19 |
| 5117144 | Electric motor | — | 1992-05-26 |
| 5077500 | Air transporting arrangement | Andrzej Loreth | 1991-12-31 |
| 5053912 | Air transporting arrangement | Andrzej Loreth | 1991-10-01 |
| 5047680 | Rotating electrical machine | — | 1991-09-10 |
| 5024685 | Electrostatic air treatment and movement system | Andrzej Loreth | 1991-06-18 |
| 5012159 | Arrangement for transporting air | Andrzej Loreth | 1991-04-30 |
| 5006761 | Air transporting arrangement | Andrzej Loreth | 1991-04-09 |
| 4976752 | Arrangement for generating an electric corona discharge in air | Andrezej Loreth | 1990-12-11 |
| 4967119 | Air transporting arrangement | Andrzej Loreth | 1990-10-30 |
| 4955991 | Arrangement for generating an electric corona discharge in air | Andrezej Loreth | 1990-09-11 |
| 4812711 | Corona discharge air transporting arrangement | Andrzej Loreth | 1989-03-14 |
| 4751416 | Synchronous servomotor | — | 1988-06-14 |