Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7293560 | Respirator mask with supplementary panels | Michael Horn, Detlef Kielow, Wolfgang Weber | 2007-11-13 |
| 6718971 | Feeding apparatus for breathing masks that allows food and drink intake when the mask is in use | Michael Horn | 2004-04-13 |
| 5669375 | Breathing mask | Joachim Schlobohm, Gunter Von Kopp, Wolfgang Drews, Joachim W. Siegel | 1997-09-23 |
| 5222479 | Oxygen self-rescuer apparatus | Lothar Brauer, Volker Hunnebeck, Klaus Haertle, Werner Mascher, Udo Mushold +4 more | 1993-06-29 |
| 5016627 | Lung-governed valve | Peter Kling, Ulrich Kriems | 1991-05-21 |
| 4984476 | Air conveyor for gas-sampling tubes | Ulrich Noack | 1991-01-15 |
| 4840170 | Self-rescuer apparatus | Volker Huennebeck, Wilfried Hoffman | 1989-06-20 |
| 4784286 | Closing device | Volker Hunnebeck | 1988-11-15 |