Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264786 | Delimiting unit, pipeline system and method for operating a pipeline system | Manfred Kienlein, Tobias Braun | 2025-04-01 |
| 11454654 | Method for evaluating the state and the quality of low-voltage networks | Peter Zahlmann, Ralph Brocke | 2022-09-27 |
| 9871368 | Encapsulated surge protection device capable of carrying lightning currents and limiting follow currents and comprising at least one spark gap | Klaus Bühler, Stefanie Schreiter, Arnd Erhardt | 2018-01-16 |
| 9780553 | Overvoltage protection device with short-circuit function for protecting installations and persons | Arnd Ehrhardt, Klaus Buehler | 2017-10-03 |
| 9601986 | Method and arrangement for the surge protection of inverters for photovoltaic systems | — | 2017-03-21 |
| 7806716 | Plug-in combination of appliances for protecting against overvoltages | Peter Zahlmann, Ralph Brocke, Edmund Zäuner, Martin Strobl, Michael Waffler +5 more | 2010-10-05 |