Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780208 | Process for purification of effluent | Bernd Diering | 1988-10-25 |
| 4568462 | Method of treating sewage in sewage treatment installations having an adsorption stage | Bernd Diering | 1986-02-04 |
| 4473590 | Method for obtaining protein-containing animal feed from organic matter | Friedrich Weigandt, Klaus Poppinghaus, Hans Einbrodt | 1984-09-25 |