Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8196534 | Volumetric metering system with clutch based sectional shut-off | Keith L. Felton, Charles T. Graham | 2012-06-12 |
| 7500814 | Conveyor positioning system for an air cart in an agricultural seeder | — | 2009-03-10 |
| 7213525 | Nozzle assembly for product-on-demand delivery system | Donald K. Landphair | 2007-05-08 |
| 7051663 | Pivoting planting units vertically | Thomas LeRoy Hall, Robert Bennett, William Douglas Graham | 2006-05-30 |
| 7025010 | Flow splitter arrangement for series fed product application units | Robert W. Martin, Nathan A. Mariman | 2006-04-11 |
| 6935254 | Split seed hoppers for seed on demand seeding machine | Jeremy Shane Ostrander, Ronald Pratt | 2005-08-30 |
| 6935256 | Agitation system for an agricultural machine product distribution system | — | 2005-08-30 |
| 6688242 | Frame folding arrangement with vertically pivoting planting units | Thomas LeRoy Hall, Robert Bennett, Richard Hugo Clark, William Douglas Graham | 2004-02-10 |
| 6688244 | Product on demand delivery system | Nathan A. Mariman | 2004-02-10 |
| 6622646 | Mounting assembly for hydraulic coupling | Robert Bennett, William Douglas Graham | 2003-09-23 |
| 6609468 | Product on demand delivery system having an agitator assembly | Nathan A. Mariman | 2003-08-26 |
| 6595148 | Individual seed hoppers forming banks of seed hoppers | Donald K. Landphair | 2003-07-22 |
| 6588351 | Planting unit lockup device for seeding machine | Thomas LeRoy Hall | 2003-07-08 |
| 6581530 | Folding walkway for seeding machine | Thomas LeRoy Hall, Nathan A. Mariman, William Douglas Graham | 2003-06-24 |
| 6367396 | Pneumatic agricultural particulate material delivery system | — | 2002-04-09 |
| 6145455 | Agricultural material metering system | Jacob N. Gust | 2000-11-14 |
| 6116172 | Shank-mounted row chop opener | Douglas Samuel Prairie, Timothy Allen Murray | 2000-09-12 |
| 6116284 | Guide structure for pneumatic applicator | Timothy Allen Murray, Dustin T. Burchill | 2000-09-12 |
| 6047652 | Seed planter distribution system | Douglas Samuel Prairie, Timothy Allen Murray, Eugene Breker | 2000-04-11 |
| 5915312 | Pneumatic seed delivery system | Timothy Allen Murray, Noel W. Anderson, Douglas Samuel Prairie | 1999-06-29 |