Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8822868 | Gas-insulated high-voltage power circuit breaker | Olaf Hunger, Jurg Nufer, Daniel Ohlsson, Navid Mahdizadeh, Javier Mantilla +3 more | 2014-09-02 |
| 8410388 | Self-blowout circuit breaker having a filling and overpressure valve | Martin Kriegel, Daniel Ohlsson, Juerg Nufer, Navid Mahdizadeh, Olaf Hunger | 2013-04-02 |
| 7820933 | Puffer circuit breaker with an overpressure valve | Helmut Heiermeier, Kurt Kammerl, Stephan Grob | 2010-10-26 |