Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12003915 | Acoustic filters for microphone noise mitigation and transducer venting | Jerad Lewis, Philippe Vossel, Martin Seidl | 2024-06-04 |
| 11587543 | Calibration of active noise-cancelling headphones | Daniel Wöhrer, Ludwig Kollenz | 2023-02-21 |
| 11528551 | Acoustic filters for microphone noise mitigation and transducer venting | Jerad Lewis, Philippe Vossel, Martin Seidl | 2022-12-13 |
| 11115749 | In-ear active noise-cancelling earphone | Daniel Wöhrer | 2021-09-07 |
| 10477312 | Earphone with active suppression of ambient noise | Richard Pribyl, Hannes Lehdorfer | 2019-11-12 |
| 9613612 | Noise reducing sound reproduction system | Peter Tiefenthaler | 2017-04-04 |
| 9456269 | Plug earphone or a concha earphone | Hannes Lehdorfer, Alex Dobrocsi | 2016-09-27 |
| 8903101 | Active noise reduction system | Markus Christoph, Michael G. Wurm | 2014-12-02 |