Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521195 | Multi-phase extraction apparatus | — | 2003-02-18 |
| 6454103 | Multiphase extractor with a wash chamber | Werner Bäcker | 2002-09-24 |
| 6446815 | Multiple phase extractor | — | 2002-09-10 |
| 6387255 | Triphase extraction column | Werner Bäcker | 2002-05-14 |
| 6143178 | Multi-stage extraction process | — | 2000-11-07 |
| 6129842 | Multiphase extractor | — | 2000-10-10 |
| 6090352 | Multistage three-phase extractor | — | 2000-07-18 |