Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12028998 | Housing for an electrical device having a cover and electrical device having a housing | Martin Dziuba, Waissi Tello | 2024-07-02 |
| 9923483 | Method for operating an inverter and inverter comprising a switch between a center point of a DC link and a connection for a neutral conductor of an AC grid | — | 2018-03-20 |
| 9806516 | Method and device for protecting several strings of a photovoltaic generator from reverse currents | Adrian Haering, Matthias Walter, Henrik Wolf, Joachim Laschinski | 2017-10-31 |
| 9450512 | Method for the operational control of an inverter | Karel De Brabandere, Tobias Mueller | 2016-09-20 |
| 9225230 | Discharging a capacitance provided at the output of an inverter | Benedikt Kuenzel, Carsten Ewig, Henrik Wolf | 2015-12-29 |
| 9018801 | Photovoltaic system for feeding three-phase current into a power grid | Frank Greizer, Joachim Laschinski, Matthias Victor, Peter Simon | 2015-04-28 |
| RE45453 | Inverter, more specifically for photovoltaic plants | Frank Greizer, Matthias Victor | 2015-04-07 |
| RE44901 | Method for converting direct voltage into three phase alternating voltage | Holger Becker, Guenther Cramer, Thorsten Dingel, Bernd Engel, Wilfried Groote +4 more | 2014-05-20 |
| 8570692 | Overvoltage protection for inverters that comprise an EMC filter at their input end | Andreas Jeppe, Henrik Wolf, Torben Westphal, Frank Greizer, Adrian Haering | 2013-10-29 |
| RE43719 | Maximum power point matching method | Gerald Leonhardt, Christian Kuehnel, Joachim Laschinski, Oliver Arend, Gerd Bettenwort +1 more | 2012-10-09 |
| 8213133 | Load breaker arrangement | Stefan Buchhold, Frank Greizer, Gunther Cramer | 2012-07-03 |
| 8194429 | Inverter comprising normally conductive gate-controlled semiconductor switches | Jens Friebe, Oliver Prior, Frank Greizer, Matthias Victor | 2012-06-05 |
| 8035045 | Inverter | Andreas Donth, Manfred Dach, Matthias Victor | 2011-10-11 |
| 7843714 | Inverter, more specifically for photovoltaic plants | Frank Greizer, Matthias Victor | 2010-11-30 |
| 7817406 | Inverter comprising a casing | Andreas Donth, Ralf Andrae, Johannes Häde, Yasar Nafiz, Matthias Victor | 2010-10-19 |
| 7715195 | Inverter casing | Andreas Donth, Stefan Domagala | 2010-05-11 |
| 7623015 | Electric coil or power inverter | Norbert Möller, Frank Lampe | 2009-11-24 |
| 7576449 | Method for converting direct voltage into three-phase alternating voltage | Holger Becker, Gunther Cramer, Thorsten Dingel, Bernd Engel, Wilfried Groote +4 more | 2009-08-18 |
| 7564013 | Method for matching the power of a photovoltaic system to a working point at which the system produces maximum power | Gerald Leonhardt, Christian Kühnel, Joachim Laschinski, Oliver Arend, Gerd Bettenwort +1 more | 2009-07-21 |
| 7411802 | Method of converting a direct current voltage from a source of direct current voltage, more specifically from a photovoltaic source of direct current voltage, into a alternating current voltage | Matthais Victor, Frank Greizer, Uwe Hübler | 2008-08-12 |
| 7352549 | Method of automatically recognizing an electrical system | Frank Greizer | 2008-04-01 |