Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8612118 | Piston engine and operating method | — | 2013-12-17 |
| 8201541 | Closure device and operating method | Martin Helmis | 2012-06-19 |
| 8196895 | Actuation device, valve means and operating method | Jens Baumbach, Rene Dingelstadt, Patric Genieser, Georg Kaltwasser, Martin Helmis | 2012-06-12 |