Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9594126 | Distributed detection of leakage current and fault current, and detection of string faults | Mario Willenberg | 2017-03-14 |
| 9525287 | Inverter system and method for operation of a photovoltaic installation for feeding electrical power into a medium-voltage power supply grid | Aaron Philipp Gerdemann, Frank Niebling, Bernhard Beck | 2016-12-20 |
| 9484734 | Protection of photovoltaic modules of a photovoltaic generator against surge voltages relative to ground | — | 2016-11-01 |
| 9136688 | Method and system for detecting an arc fault in a power circuit | Joachim Laschinski, Marcel Kratochvil, Markus Hopf | 2015-09-15 |
| 9071028 | Electrical connection between two busbars made of flat conductors and of an insulating layer disposed between the conductors | Philipp Werb | 2015-06-30 |
| RE45069 | Bidirectional battery power inverter | — | 2014-08-12 |
| 8743570 | Apparatus for converting electric energy and method for operating such an apparatus | Jens-Uwe Mueller, Peter Witsch, Christian Ruehling, Torsten Leifert | 2014-06-03 |
| 8614901 | Inverter employing a boost chopper circuit and a resonant converter circuit | Matthias Victor, Burkhard Muller | 2013-12-24 |
| RE44485 | Device for feeding electrical energy from an energy source | — | 2013-09-10 |
| 8531803 | Lightning protection for power inverters | Gerold Schulze | 2013-09-10 |
| 8502416 | Method and circuit arrangement for connecting at least one string of a photovoltaic system to an inverter | — | 2013-08-06 |
| 8482936 | Method of and apparatus for connecting a photovoltaic device to an AC power grid | Joachim Laschinski, Oliver Arend, Peter Simon, Wolfgang Reichenbaecher, Frank Greizer | 2013-07-09 |
| 8379418 | Power converter start-up circuit | — | 2013-02-19 |
| 8238128 | Power converter circuitry | — | 2012-08-07 |
| 7800248 | Backup power system | Thomas Kramer, Martin Rothert, Volker Wachenfeld | 2010-09-21 |
| 7746669 | Bidirectional battery power inverter | — | 2010-06-29 |
| 7672149 | Device for feeding electrical energy from an energy source | — | 2010-03-02 |
| 7463489 | Power inverter | Nafiz Yasat | 2008-12-09 |
| 7102901 | Medium frequency energy supply for rail vehicles | Mathias Victor, Guido Bachmann | 2006-09-05 |