Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12057283 | Overvoltage protection arrangement with a horn spark gap, located in a housing, with a chamber for arc quenching | Arnd Ehrhardt, Peter Zahlmann | 2024-08-06 |
| 11454654 | Method for evaluating the state and the quality of low-voltage networks | Jens Ehrler, Peter Zahlmann | 2022-09-27 |
| 11431164 | Circuit arrangement for combined protection of a load from temporary and transient overvoltages | Franz Schork | 2022-08-30 |
| 11201464 | Arrangement for overload protection for overvoltage protection equipment | — | 2021-12-14 |
| 11171482 | Overvoltage protection device with monitoring and communication functions | Peter Zahlmann | 2021-11-09 |
| 11165236 | Suppressing circulating currents in conductive structures in buildings | Ottmar Beierl | 2021-11-02 |
| 11152769 | Overvoltage protection arrangement consisting of a horn spark gap accommodated in an insulating housing | Helmut Hirschmann, Georg Wittmann, Edmund Zäuner, Sebastian Haas | 2021-10-19 |
| 10511165 | Circuit assembly for protecting a unit to be operated from a supply network against overvoltage | Franz Schork, Thomas Böhm, Dominik Donauer | 2019-12-17 |
| 7806716 | Plug-in combination of appliances for protecting against overvoltages | Peter Zahlmann, Edmund Zäuner, Martin Strobl, Michael Waffler, Sascha Ludewig +5 more | 2010-10-05 |