Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7036824 | Device for the float mounting a sealed housing | Alfred Kunz | 2006-05-02 |
| 5934801 | Mixing and kneading apparatus | Walther Schwenk, Alfred Kunz | 1999-08-10 |
| 5823674 | Kneader mixer | Pierre Liechti, Alfred Kunz, Daniel Arnaud | 1998-10-20 |
| 5192188 | Lock for the loading and/or discharging of bulk materials | Alfred Kunz, Walther Schwenk | 1993-03-09 |
| 5147135 | Continuously operating mixing kneader | Walther Schwenk, Winfried Dotsch, Pierre Liechti | 1992-09-15 |
| 5121992 | Mixing kneader | Walther Schwenk, Alfred Kunz | 1992-06-16 |
| 4826324 | Kneader-mixer | Alfred Kunz, Heinz List | 1989-05-02 |
| 4824257 | Kneader-mixer | Heinz List | 1989-04-25 |
| 4575253 | Stirring apparatus | Alfred Kunz | 1986-03-11 |