Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379415 | Test system and main device and additional device thereof for testing an electric device | Klaus Studer, Reinhard Kaufmann, Michael Rädler, Boris Unterer, Matthias Kukuk +3 more | 2025-08-05 |
| 11951306 | Electrical system comprising a plurality of electric circuits and anti-current protection equipment | Ulrich Klapper | 2024-04-09 |
| 11393314 | Electrical installation having an emergency signal input for receiving an emergency signal transmitted by radio | Dietmar Holztrattner, Ulrich Klapper | 2022-07-19 |
| 9547044 | Method and apparatus for the measurement of a resistance of a switching contact of an electrical circuit breaker | Ulrich Klapper, Reinhard Kaufmann | 2017-01-17 |
| 7791354 | Impedance monitoring system and method | Johannes Hendrik Cloete | 2010-09-07 |