Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910582 | Row unit for a seeding machine having active downforce control for the closing wheels | Nathan A. Mariman, Elijah B. Garner, Lee E. Zumdome | 2014-12-16 |
| 8505574 | Lid for a manifold | Brian Terry Petersen, Jay H. Olson | 2013-08-13 |
| 8469636 | Commodity splitter for an air delivery system | Brian Patrick Jost, Robert T. Casper | 2013-06-25 |
| 8350689 | Pneumatic product-on-demand delivery system for an agricultural machine with a hose disconnect monitor | Nathan A. Mariman | 2013-01-08 |
| 8326500 | Row unit wheel turning monitor for an agricultural machine | Nathan A. Mariman | 2012-12-04 |
| 7735438 | Ground driven seed metering system with a continuously variable transmission | — | 2010-06-15 |
| 7694638 | Modular liquid metering system for an agricultural implement | Sylvia Ann Wilson | 2010-04-13 |
| 7478603 | Seed meter monitoring system | Duane Allen Coordes | 2009-01-20 |
| 7451713 | Seed disk for a seed meter | Nathan A. Mariman, Miles R. Keaton, Michael E. Friestad | 2008-11-18 |
| 5449042 | Rephasing controlling/controlled hydraulic cylinders in folding implement frame | Donald K. Landphair | 1995-09-12 |
| 4738653 | Roller chain drive having a self cleaning roller chain sprocket | Larry Burkholder | 1988-04-19 |
| 4379491 | Leveling system for a wheeled implement | Stephen M. Hillman | 1983-04-12 |
| 4314610 | Foldable implement and pivotal brace therefor | David J. Wolak | 1982-02-09 |