Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6561283 | Frame support for tillage implement | — | 2003-05-13 |
| 6397952 | Breakaway for field marker on agricultural implement | — | 2002-06-04 |
| 6378619 | Agricultural ground working implement with hydraulic downpressure circuit | Dean Mayerle | 2002-04-30 |
| 6334492 | Breakaway for field marker on agricultural implement | — | 2002-01-01 |
| 6302220 | Agricultural ground working implement with hydraulic downpressure circuit | Dean Mayerle | 2001-10-16 |
| 6298797 | Nurse inductor apparatus for air seeders | Dean Mayerle, Ronald Engen, George Neufeld | 2001-10-09 |
| 6293352 | Telescoping hitch for planting implement | Stan W. Ylioja | 2001-09-25 |
| 6289830 | Nurse inductor apparatus for air seeders | Dean Mayerle, Ronald Engen, George Neufeld | 2001-09-18 |
| 6285938 | Primer system for agriculture product distribution machines | Francis G. Lang, Robert K. Benneweis, Shane Durant, Paul Weisberg, Blake Neudorf +1 more | 2001-09-04 |
| 6267067 | Nurse receiver and header for air seeders | Dean Mayerle, Ronald Engen | 2001-07-31 |
| 6263976 | Field marker for agricultural implement | — | 2001-07-24 |
| 6263977 | Winged agricultural implement with headlands control system | Dean Mayerle | 2001-07-24 |
| 6253693 | Nurse adapter for air seeders | Dean Mayerle, Ronald Engen | 2001-07-03 |
| 6202756 | Forwardly folding agricultural planter | Terrance A. Friggstad | 2001-03-20 |
| 6192994 | Lift assist mechanism for a forwardly folding planting implement | Terrance A. Friggstad | 2001-02-27 |
| 6189465 | Field marker control system for agricultural planters | Dustin G. Burns | 2001-02-20 |
| 6167972 | Unfold finger for a forwardly folding planting implement | Terrance A. Friggstad, Stan W. Ylioja | 2001-01-02 |
| 6164222 | Regulator for nurse induction unit on air seeders | Dean Mayerle, Ronald Engen, George Neufeld | 2000-12-26 |
| 6131669 | Headline stop for agricultural planter | Terrance A. Friggstad | 2000-10-17 |
| 6068063 | Hydraulic connection circuit between first and active hydraulic circuits | Dean Mayerle | 2000-05-30 |
| 6044916 | Agricultural implement with down-force control | — | 2000-04-04 |
| 5787993 | Farm implement, with multi-position settings | Dean Mayerle | 1998-08-04 |
| 5687798 | Down-pressure system for agricultural implement | James W. Henry, Mark Anthony Gerein | 1997-11-18 |
| 5042589 | Multi-tine cultivator frame suspension and adjustment mechanism | Brent G. Hergott | 1991-08-27 |
| 4977964 | Resilient planar framework for supporting multiple groundworking tools | Terrance A. Friggstad | 1990-12-18 |