Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950081 | Multi-spindle kneading mixer | — | 1990-08-21 |
| 4941130 | Multi-spindle kneading mixer with fixed kneading counterelements | Walther Schwenk, Alfred Kunz | 1990-07-10 |
| 4826324 | Kneader-mixer | Alfred Kunz, Jorg List | 1989-05-02 |
| 4824257 | Kneader-mixer | Jorg List | 1989-04-25 |
| 4650338 | Mixing and kneading machine | Alfred Kunz | 1987-03-17 |