Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573635 | Thin film evaporating device | — | 1996-11-12 |
| 5419810 | Thin-film evaporator made of a corrosion resistant material | Lothar Weimann | 1995-05-30 |
| 5415764 | Process for the further processing of a vacuum residue in a crude oil refinery | — | 1995-05-16 |
| 4325781 | Co-current evaporator | Gerhard Proske, Hans-Joachim Bittner | 1982-04-20 |
| 4278451 | Apparatus for extracting granular or finely divided solid materials from a gas under pressure | Frohmut Vollhardt | 1981-07-14 |