Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7717778 | Separating cobs from grain in a corn harvester | Leo Redekop | 2010-05-18 |
| 7540332 | Hydraulic control system having an upper depth stop valve with bypass | Terrance A. Friggstad | 2009-06-02 |
| 7462002 | Opposed inductor improvements | — | 2008-12-09 |
| 7412934 | Opposed inductor improvements | — | 2008-08-19 |
| 7409917 | Opposed inductor improvements | — | 2008-08-12 |
| 7387078 | Opposed inductor improvements | — | 2008-06-17 |
| 7353760 | System and method for distributing multiple materials from an agricultural vehicle | Ronald Engen, Allen W Evans | 2008-04-08 |
| 7347149 | System and method for distributing multiple materials from an agricultural vehicle | Ronald Engen, Allen W Evans | 2008-03-25 |
| 7267061 | Opposed inductor improvements | — | 2007-09-11 |
| 7258070 | Opposed inductor improvements | — | 2007-08-21 |
| 7220179 | Combine harvester with ready adjustment of discharge positions of straw and chaff | Leo Redekop, Kevin Redekop | 2007-05-22 |
| 7140310 | System and method for distributing multiple materials from an agricultural vehicle | Ronald Engen, Allen W Evans | 2006-11-28 |
| 7100522 | Equalizing meter device | — | 2006-09-05 |
| 7093547 | Opposed inductor improvements | — | 2006-08-22 |
| 7021224 | Dual capability nurse distribution system | Ronald Engen, P. Evans | 2006-04-04 |
| 7008315 | Venting of a combine harvester | Leo Redekop, Kevin Redekop | 2006-03-07 |
| 6939221 | Combine harvester with a spreader having independent spread width control | Leo Redekop, Kevin Redekop | 2005-09-06 |
| 6883445 | Dual configurable distribution nurse system | — | 2005-04-26 |
| 6851377 | Variable rate meter drive system | Dustin G. Burns | 2005-02-08 |
| 6845724 | Dual capability nurse distribution system | Ronald Engen, P. Evans | 2005-01-25 |
| 6666156 | Seed flap for controlling seed placement | Vince Colistro, Dick Edward Friesen, Robin B. Schilling | 2003-12-23 |
| 6378619 | Agricultural ground working implement with hydraulic downpressure circuit | David R. Hundeby | 2002-04-30 |
| 6302220 | Agricultural ground working implement with hydraulic downpressure circuit | David R. Hundeby | 2001-10-16 |
| 6298797 | Nurse inductor apparatus for air seeders | David R. Hundeby, Ronald Engen, George Neufeld | 2001-10-09 |
| 6289830 | Nurse inductor apparatus for air seeders | David R. Hundeby, Ronald Engen, George Neufeld | 2001-09-18 |