Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9627153 | Electrical medium or high voltage switching device | Francesco Pisu, Helmut Heiermeier, Jakub Korbel, Luca Lienhard, Reto Karrer +1 more | 2017-04-18 |
| 9627155 | Electrical switching device with a triple motion contact arrangement | Helmut Heiermeier, Jakub Korbel, Reto Karrer, Sami Kotilainen, Timothy J. Sutherland +1 more | 2017-04-18 |
| 9543087 | Contact system | Francesco Pisu, Sami Kotilainen, Timothy J. Sutherland | 2017-01-10 |
| 9159511 | Circuit and method for interrupting a current flow in a DC current path | — | 2015-10-13 |
| 9018557 | Gas-insulated circuit breaker with nominal contact shielding arrangement | — | 2015-04-28 |
| 8837093 | Circuit arrangement and method for interrupting a current flow in a DC current path | Emmanouil Panousis, Lars Liljestrand, Markus Bujotzek, Per Skarby | 2014-09-16 |
| 6140810 | Fiber-optic voltage sensor for outdoor high-voltage installations | Klaus Bohnert, Hubert Brandle, Philippe Gabus, Jiri Talir | 2000-10-31 |
| 5981893 | Electrical switching device | Daniel Bleiker, Herbert Schifko | 1999-11-09 |
| 5721412 | Disconnector for a metal encapsulated, gas insulated high voltage switchgear | Herbert Schifko, Sven Forss, Piero Tecchio | 1998-02-24 |