Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10750661 | Air entrainment device for seed delivery | Matthew J. Wilhelmi, Daniel Koop | 2020-08-25 |
| 10188038 | Quick attach corn reel assembly | — | 2019-01-29 |
| 9980425 | Air entrainment device for seed delivery | Matthew J. Wilhelmi, Daniel Koop | 2018-05-29 |
| 9253940 | Air entrainment device for seed delivery | Matthew J. Wilhelmi, Daniel Koop | 2016-02-09 |
| 8858110 | Quick connect/disconnect coupling for a stalk stomper | — | 2014-10-14 |
| 8800458 | Air entrainment device for seed delivery | Mathew Wilhelmi, Daniel Koop | 2014-08-12 |
| 8745963 | Adjustable angle stalk stomper with torsion spring | — | 2014-06-10 |
| 8567167 | Quick connect/disconnect coupling for a stalk stomper | — | 2013-10-29 |
| 8479669 | Depth control arrangements for a rotary row cleaner for a planter | — | 2013-07-09 |
| 8448585 | Air entrainment device for seed delivery | Matthew J. Wilhelmi, Daniel Koop | 2013-05-28 |
| 8418432 | Quick connect/disconnect coupling for a stalk stomper | — | 2013-04-16 |
| 8418634 | Vacuum seed meter | — | 2013-04-16 |
| 8166896 | Low friction seed meter | — | 2012-05-01 |
| 7938072 | Air pressure dissipator for air seed delivery system | Matthew J. Wilhelmi, Daniel Koop | 2011-05-10 |
| 7717189 | Planter with remote hydraulic feed | Alan F. Barry | 2010-05-18 |
| 6902010 | Foldable implement frame and hitch | — | 2005-06-07 |
| 6843186 | Narrow row spacing planter | — | 2005-01-18 |
| 6776107 | Rotary row cleaner for planter | — | 2004-08-17 |
| 6408950 | Foldable implement frame and hitch | — | 2002-06-25 |
| 6352125 | Side-by-side three-point hitch | — | 2002-03-05 |
| 6321667 | Adjustable gauge wheel for a planter | — | 2001-11-27 |
| 6205937 | Folding planter frame | — | 2001-03-27 |
| 6092279 | Bearing puller | — | 2000-07-25 |
| 5884711 | Gauge wheel scraper | — | 1999-03-23 |
| 5497716 | Mechanism for clearing crop residue | — | 1996-03-12 |