Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9091268 | Three-stage screw compressor | Dieter Hüttermann, Michael Besseling, Norbert Henning, Jürgen Bringmann, Robert L. Oppenheim | 2015-07-28 |
| 8342829 | Three-stage screw compressor | Dieter Hüttermann, Michael Besseling, Norbert Henning, Jürgen Bringmann, Robert L. Oppenheim | 2013-01-01 |
| 7713039 | Helical screw compressor having a vented sealing arrangement | Dieter Hüttermann, Michael Besseling, Norbert Henning | 2010-05-11 |
| 7690901 | Helical screw compressor comprising a cooling jacket | Dieter Hüttermann, Michael Besseling, Norbert Henning | 2010-04-06 |
| 6991440 | Two-stage screw compressor | Dieter Hüttermann | 2006-01-31 |
| 6488488 | Rotary helical screw-type compressor having an intake filter and muffler | Karl-Heinz Gilfert, Arno Heinz, Walter Murmann | 2002-12-03 |
| 6416302 | Rotary helical screw-type compressor having a thermally separated oil supply container | Karl-Heinz Gilfert, Arno Heinz, Walter Murmann | 2002-07-09 |
| 6287100 | Sealing device on a shaft journal of a dry-running helical rotary compressor | Karl-Heinz Gilfert, Arno Heinz, Walter Murmann | 2001-09-11 |