Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928460 | Self-propelling field chopping machine | Franz Heidjann, Heinrich Hemker | 1990-05-29 |
| 4767067 | Method of and agricultural machine for producing power fodder | Hermann Garbers, Franz Heidjann | 1988-08-30 |
| 4728046 | Method of and agricultural machine for producing power fodder | Hermann Garbers, Franz Heidjann | 1988-03-01 |
| 4686812 | Rotational sphere press for agricultural grain stem products | Karl-Heinz Tooten, Theo Freye | 1987-08-18 |
| 4580398 | Apparatus and method for rolling and wrapping a cylindrical bale of crops | Karl Moosbrucker | 1986-04-08 |