Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482642 | Process for the production of slugs of pyrogenically produced oxides | Manfred Ettlinger, Horst Ferch, Detlev Koth | 1984-11-13 |
| 4445809 | Apparatus for emptying containers filled with powder | Werner Schmitz | 1984-05-01 |
| 4307023 | Hydrophobic filler mixtures, process for its production and use | Manfred Ettlinger, Karl-Hans Muller | 1981-12-22 |