Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568934 | Mixing system for inerting a gas volume | Heinz-Detlef Naeve, Lars Frahm | 2013-10-29 |
| 8141185 | Self-sustaining washroom for mobile use | Claus Hoffjann, Hansgeorg Schuldzig, Heinz-Detlef Naeve | 2012-03-27 |