Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9865411 | Safety device for a photovoltaic system | Jens Friebe | 2018-01-09 |
| 9768610 | Method and circuit arrangement with means for a leakage current compensation in a photovoltaic system with multiple differential current sensors | Markus Hopf | 2017-09-19 |
| 9709623 | Apparatus and method for monitoring a photovoltaic system | Marcel Kratochvil, Holger Behrends, Markus Hopf | 2017-07-18 |
| 9625516 | Device and method for monitoring a photovoltaic system | Markus Hopf, Holger Behrends, Gerd Bettenwort, Marcel Kratochvil | 2017-04-18 |
| 9599658 | Method and apparatus for signaling partial shadowing of a photovoltaic generator | Christopher John Merz, Markus Hopf, Felix Eger | 2017-03-21 |
| 9535104 | Method and system for detecting an arc fault in a power circuit using frequency response | Holger Behrends, Marcel Kratochvil, Markus Hopf | 2017-01-03 |
| 9350162 | Determination of the fault current component of a differential current | Gerd Bettenwort, Lutz Eidenmueller, Olaf Proeve | 2016-05-24 |
| 9046588 | Method and system for detecting an arc fault in a photovoltaic power system | Holger Behrends, Thorsten Buelo, Markus Hopf, Gerd Bettenwort, Marcel Kratochvil +2 more | 2015-06-02 |