Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11838736 | Electromagnetic actuator for a speaker or a sound transducer with a multimetal layer connection between the voice coil and the magnet system | Gustav Otto, Markus Trampert, Stefan Gebhardt, Andreas Hintennach, Manuel Mefleh | 2023-12-05 |
| 11678123 | Electromagnetic actuator for a speaker or a sound transducer with a high-strength metal connection between the voice coil and the magnet system | Gustav Otto, Markus Trampert, Stefan Gebhardt, Andreas Hintennach, Manuel Mefleh | 2023-06-13 |
| 11051111 | Coil extension element | Franz Heidinger, Erich Klein | 2021-06-29 |
| 9137593 | Loudspeaker with port comprising a particle filter | Erich Klein | 2015-09-15 |