Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7324070 | Device and process for monitoring the deployment of respirator users | — | 2008-01-29 |
| 6720878 | Data communications system for mask or helmet users | — | 2004-04-13 |
| 6415786 | Container for a respirator | Ernst-Gunther Kolbe, Rainer Grendel, Rüdiger Müller | 2002-07-09 |
| 5765549 | Respirator | Gunther Kolbe, Wolfgang Drews | 1998-06-16 |
| 5301665 | Respirator for emergency oxygen supply for passengers in aircraft | Christian Schnoor | 1994-04-12 |
| 5243969 | Air-cleaning cartridge with an expandable film bag for a charge | Werner Sartor | 1993-09-14 |
| 5038767 | Device for treating respiration gas with an oxygen-releasing chemical cartridge | — | 1991-08-13 |