Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691861 | Auger discharge chute with dribble door | Mark Reimer, Mark Charles DePoorter, Garrick W. Herbst, Lawrence Begyn | 2004-02-17 |
| 6692352 | Grain storage tank covers | Russell Andrew Huesmann, Jr., Chad A. Dow, Mark Charles DePoorter, Garrick W. Herbst, Lawrence Begyn | 2004-02-17 |
| 6669240 | Unloader tube pivot ring mechanism | Todd N. Signer, Mark Charles DePoorter | 2003-12-30 |
| 6206779 | Grain tank extension | Russell Andrew Huesmann, Jr., Todd N. Signer, Mark Charles DePoorter, Darryl Cain, Bruno Dauenhauer | 2001-03-27 |
| 5334093 | Detachable covers for an axial separator | Roderick James Jensen, Richard L. Day | 1994-08-02 |