Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488488 | Rotary helical screw-type compressor having an intake filter and muffler | Carsten Achtelik, Karl-Heinz Gilfert, Walter Murmann | 2002-12-03 |
| 6416302 | Rotary helical screw-type compressor having a thermally separated oil supply container | Carsten Achtelik, Karl-Heinz Gilfert, Walter Murmann | 2002-07-09 |
| 6287100 | Sealing device on a shaft journal of a dry-running helical rotary compressor | Carsten Achtelik, Karl-Heinz Gilfert, Walter Murmann | 2001-09-11 |