Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9450394 | Method, circuit breaker and switching unit for switching off high-voltage DC currents | Emmanouil Panousis, Jürgen Häfner, Markus Bujotzek, Per Skarby | 2016-09-20 |
| 8822868 | Gas-insulated high-voltage power circuit breaker | Timo Kehr, Olaf Hunger, Jurg Nufer, Navid Mahdizadeh, Javier Mantilla +3 more | 2014-09-02 |
| 8410388 | Self-blowout circuit breaker having a filling and overpressure valve | Martin Kriegel, Juerg Nufer, Navid Mahdizadeh, Olaf Hunger, Timo Kehr | 2013-04-02 |