Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10173161 | Filter fan for insertion in an opening in a wall of a casing of waste heat producing components | — | 2019-01-08 |
| 9889397 | Air passage device | — | 2018-02-13 |
| 9883609 | Filter fan with a quick fixing device | — | 2018-01-30 |
| 9677571 | Device for the passage of air | — | 2017-06-13 |
| 9454892 | Device to monitor a sound generator, in particular an alarm sound generator, and a corresponding sound generator, and a related method | — | 2016-09-27 |
| 9243656 | Signaling device for emitting an acoustic and/or visual signal | — | 2016-01-26 |
| 9039500 | Air passage device | — | 2015-05-26 |
| 9019116 | Signaling device comprising an audio signaling unit and comprising a light signaling unit | — | 2015-04-28 |
| 8951322 | Filter fan | Tobias Reutter, Wolfgang Lodweg | 2015-02-10 |
| 8941508 | Signaling device for emitting an acoustic and/or visual signal | — | 2015-01-27 |
| 8727842 | Filter fan with a quick fastening device | — | 2014-05-20 |
| 8152885 | Air passage device having improved accessibility of the filter mat | — | 2012-04-10 |
| 7370479 | Switch cupboard with a cooling device which is subject to a rotation and cooling device for this | — | 2008-05-13 |
| 6817940 | Airflow unit | — | 2004-11-16 |
| 6755045 | Air conditioning system, in particular for switch cupboards | — | 2004-06-29 |
| D465528 | Logo in form of stickers, imprints | — | 2002-11-12 |