Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644836 | Punch press with vertically reciprocating plunger | Kurt Wengenroth | 1987-02-24 |
| 4457197 | Device for cutting and/or stamping metal bars and sections | Hubert Barysch, Erwin Kruse | 1984-07-03 |
| 4339972 | Method and apparatus for volumetric partitioning of rod-like material | Kurt Wengenroth, Jochen Zuhlke | 1982-07-20 |
| 4319504 | Damping device for abruptly occurring forces in a shear or shear press machine | Kurt Wengenroth | 1982-03-16 |
| 4238718 | Process and equipment for the production of semi-finished sections of accurate weight or volume for cold working or hot forming | Jochen Zuhlke | 1980-12-09 |