Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7219689 | Automatically flushing water regulator for animal watering systems | James M. Adermann | 2007-05-22 |
| 7090261 | Animal watering system with keyed components | James M. Adermann | 2006-08-15 |
| 6901881 | Two-stage drinker for a poultry watering system | James M. Adermann | 2005-06-07 |
| 6712021 | Water pressure regulator | — | 2004-03-30 |
| 6502357 | PVC wall panel system | Thomas Stuthman, Brian Dust, Corey W. Knight | 2003-01-07 |
| 6253705 | Hog feeder with adjustable feed control gates | Hubert Vern Hopley | 2001-07-03 |
| 5927232 | Poultry feeder | — | 1999-07-27 |
| 5875882 | Auger drive and method of driving an auger | — | 1999-03-02 |
| 5860221 | Metering grain unloader | David W. Morrison | 1999-01-19 |
| 5718187 | Poultry feeder | Jeffrey L. Knollenberg | 1998-02-17 |
| 5697327 | Feed conveying apparatus | — | 1997-12-16 |
| 5613339 | Deck plank and cover | — | 1997-03-25 |
| 5513597 | Feed conveying apparatus | — | 1996-05-07 |
| 5474027 | Feed intake cup apparatus | — | 1995-12-12 |
| 5462017 | Poultry feeder | Jeffrey L. Knollenberg | 1995-10-31 |
| 5425329 | Bin fill indicator | — | 1995-06-20 |
| 5344363 | Roof vent assembly for grain storage bin | — | 1994-09-06 |
| 5335619 | Feed intake cup | — | 1994-08-09 |
| 5311839 | Poultry feeder | Jeffrey L. Knollenberg | 1994-05-17 |
| 5218784 | Apparatus for opening and closing bin lid from below | — | 1993-06-15 |
| 4885985 | Self regulating grain bin wall air system and method | — | 1989-12-12 |