Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9825551 | Converter and electric generator in which groups of windings are used to generate output voltages according to a power requirement | Joerg Oesterheld, René Wilhelm Schaefer | 2017-11-21 |
| 8976555 | Converter | Joerg Oesterheld, René Wilhelm Schaefer | 2015-03-10 |
| 7321835 | Method for improving the mode of operation of a matrix converter | Alain Lacaze, Joerg Oesterheld, Massimiliano Visintin | 2008-01-22 |
| 5674081 | Rotary contactor for a motor vehicle | Bertrand Hoffmann | 1997-10-07 |