Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Mathias Staeger | 2022-11-22 |
| 11069226 | Smoke detector methods and systems | Martin Allemann, Aleksandar Duric, Erwin Suter | 2021-07-20 |
| 9165443 | Detector | Simon Fischer | 2015-10-20 |
| 8772702 | Detector | Andreas Erni, Simon Fischer, Peter Gruber | 2014-07-08 |