Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9091268 | Three-stage screw compressor | Carsten Achtelik, Dieter Hüttermann, Michael Besseling, Norbert Henning, Robert L. Oppenheim | 2015-07-28 |
| 8342829 | Three-stage screw compressor | Carsten Achtelik, Dieter Hüttermann, Michael Besseling, Norbert Henning, Robert L. Oppenheim | 2013-01-01 |