Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636311 | Multiple filters with flow-reversing rotary valve set | — | 1987-01-13 |
| 4596587 | Separation of a mixture which consists of organic compounds and water and is obtained in solvent recovery by adsorption and desorption | Gerhard Janisch | 1986-06-24 |
| 4430220 | Apparatus for controlling fluid medium flow | — | 1984-02-07 |
| 4370306 | Process for separation of traces of gaseous contaminants from waste gases by chemical absorption | Kurt Kirchner | 1983-01-25 |