Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11069226 | Smoke detector methods and systems | Martin Allemann, Thomas Bachels, Erwin Suter | 2021-07-20 |
| 10885757 | Optical smoke detection according to the two-color principle by means of a light emitting diode with an LED chip for light emission and with a light converter for converting part of the emitted light into light of longer wavelength | Hilmar Konrad | 2021-01-05 |
| 10685546 | Fire detection using the scattered light principle with a staggered activation of a further LED unit for radiating in further light pulses with different wavelengths and scattered light angles | Mathias Stäger, Stefan Walker | 2020-06-16 |
| 9767665 | Optical smoke detection unit for a smoke detector, with two light-emitting diodes optically coupled together and with an associated control unit for the deduction of aging information and a smoke detector | Martin Allemann | 2017-09-19 |
| 9697716 | Determination of an alarm-issuing time of an alarm device | Martin Forster | 2017-07-04 |
| 9518966 | Method and test device for field calibration of a gas detector | Harald Ebner, Martin Forster | 2016-12-13 |
| 9360449 | Functional monitoring of an electrolytic gas sensor having three electrodes, and hazard alarm and gas measuring device | — | 2016-06-07 |