Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220800 | Hand-held power tool | Markus Forstner, Stefan Ringler | 2025-02-11 |
| 11084160 | Hand-held power tool | Antonios Draganis, Florian Mayr, Helmut Burger | 2021-08-10 |
| 7573174 | Universal motor with a device for removing dust | Frank Fritsch, Helmut Burger, Oliver Ohlendorf | 2009-08-11 |
| 7495367 | Brush mounting plate with brush guiding plates | Ralph Abel, Helmut Burger | 2009-02-24 |
| 6933632 | Commutating rotary switch | Ernst-Rudolf Lübkert | 2005-08-23 |