Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983746 | Active EMC filter for medical applications | Roland Kuepfer | 2011-07-19 |
| 7937603 | Intelligent power monitoring unit | Norbert Häberle | 2011-05-03 |
| 7667988 | Filter | Norbert Haeberle, Andrew Cecil TUCKER | 2010-02-23 |
| 7629836 | Active EMC filter for machine tools | Roland Kuepfer | 2009-12-08 |
| 4513187 | High-voltage circuit breaker including cut-on resistor | Walter Schaad | 1985-04-23 |
| 4327262 | Gas-blast switch | — | 1982-04-27 |