Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1094145 | Fire detector | Aldin Rahic, Qin Chen, Fabian Zürrer | 2025-09-23 |
| 11869327 | Fire or smoke alarm | Walter Vollenweider | 2024-01-09 |
| 11506590 | Scattered light smoke detector having a two-color LED, a photosensor, and a wavelength-selective polarizer connected upstream of the photosensor or connected downstream of the two-color LED, and suitable use of such a polarizer | Thomas Bachels | 2022-11-22 |