Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12057720 | Blower filter device for potentially explosive areas and process for operating a blower filter device | Martin Schulze | 2024-08-06 |
| 11877117 | Gas mask and helmet with a communication system | Alexander Korff | 2024-01-16 |
| 11690968 | Breathing air supply system with contactless vital parameter sensor measuring | Alexander Korff | 2023-07-04 |
| 11463800 | Gas mask and helmet with a communication system | Alexander Korff | 2022-10-04 |
| 11107454 | Device, system and process for audio signal processing | Michael BRODERSEN, Jens Reermann | 2021-08-31 |
| 10958084 | Cascadable multi-charger and method for the operation thereof | Björn Ehler, Martin Schulze, Jan Schöning | 2021-03-23 |
| 10905902 | Blower filter device, respirator system and method | Björn Ehler, Thomas Pernot | 2021-02-02 |
| 10625103 | Blower filter respirator system | Björn Ehler, Martin Schulze | 2020-04-21 |
| 10537753 | Blower filter system | Mathias Dehmke, Björn Ehler, Thomas Pernot | 2020-01-21 |
| 10532233 | Head simulator for testing respirators | Michael BRODERSEN | 2020-01-14 |
| 10508655 | Blower filter system | Björn Ehler, Stefan FREYHER | 2019-12-17 |
| 10190590 | Battery-operated blower filter system for use in potentially explosive areas | Björn Ehler, Mathias Dehmke, Andreas Sürig | 2019-01-29 |
| 10193588 | Head protection device, communication unit, connection unit and system comprising head protection device, communication unit and connection unit | Henning Ritter, Jan Schöning | 2019-01-29 |
| 10173084 | Gas mask | Dirk Feil, Werner Lange, Christoph Schmidt, Martin Weisgerber | 2019-01-08 |
| 10052504 | System as well as process for transmitting data and/or device-specific parameters between a blower filter device of a blower filter system and a computer | Mirco FRÖSCH, Olaf Balke | 2018-08-21 |
| 9950197 | Blower filter device | Olaf Balke, Björn Ehler | 2018-04-24 |
| 9917450 | Electronic circuit of a battery, battery, blower filter device as well as a method for charging a battery of a blower filter device | Andreas Sürig | 2018-03-13 |
| 9543774 | Supply circuit in a communication system of a protective headgear, protective headgear with such a supply circuit and method for operating such a supply circuit | Henning Ritter, Erik Deier | 2017-01-10 |
| 9320464 | Method and measuring instrument for measuring the oxygen saturation in the blood | Reinhold Orglmeister, Eugen Hoffmann, Dorothea Kolossa | 2016-04-26 |