Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11632894 | Lift and rotate agricultural implement | Robert Blackwell, Riley Lind | 2023-04-25 |
| 11122733 | Multiple agricultural product application method and systems | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2021-09-21 |
| 10888044 | Pivoting implement frame | Robert Blackwell | 2021-01-12 |
| 10667462 | Multiple agricultural product application method and systems | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2020-06-02 |
| 10257975 | Multiple agricultural product application method and systems | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2019-04-16 |
| 10244674 | Multiple agricultural product application method and systems utilizing a drum metering system | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2019-04-02 |
| 10225977 | Multiple agricultural product application method and systems | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2019-03-12 |
| 10071669 | Grain cart with auger delivery on either side | — | 2018-09-11 |
| 9961824 | Lift and rotate agricultural implement | Robert Blackwell, Riley Lind | 2018-05-08 |
| 9901026 | Multiple agricultural product application method and systems | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2018-02-27 |
| 9750178 | Multiple agricultural product application method and systems utilizing drum metering system | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2017-09-05 |
| D787564 | Toolbar with wheel arches | Robert Blackwell, Riley Lind | 2017-05-23 |
| 9629305 | Multiple agricultural product application method and systems | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2017-04-25 |
| 9622402 | Multiple agricultural product application method and systems | Merlan J. Rolffs, Matthew J. Wilhelmi, Dustan Hahn, Derrick Becker | 2017-04-18 |
| D780230 | Saddle fertilizer tank holder | Robert Blackwell, Riley Lind | 2017-02-28 |
| D771151 | Double telescoping tongue | Robert Blackwell, Riley Lind | 2016-11-08 |
| 8733256 | Planter with four bar linkage | — | 2014-05-27 |
| 8167527 | Auger wagon with folding lift auger and retracting delivery hood | — | 2012-05-01 |
| 7900711 | Agricultural planter | — | 2011-03-08 |
| 6494154 | Centralized seed distribution system for planter | Alan F. Barry, Harry C. Deckler | 2002-12-17 |
| 5346019 | Agricultural implement with common mechanism for raising/lowering and rotating a lift frame about a vertical axis | Alan F. Barry, Harry C. Deckler | 1994-09-13 |
| 5108249 | Gravity fed, chain conveyer for grain cart | Alan F. Barry | 1992-04-28 |
| 4986367 | Folding row marker | — | 1991-01-22 |
| 4771713 | Row crop planter convertible between narrow and wide row spacing | — | 1988-09-20 |
| 4738315 | Hydraulic control apparatus including master cylinder with multiple limit positions | — | 1988-04-19 |