Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11751502 | Seed-flow adjustment system | Jacob R. Riffel, Gregory W. Arnett | 2023-09-12 |
| 11700781 | Ground opener with skewed support assembly | Timothy J. Ptacek, Gregory W. Arnett | 2023-07-18 |
| 11632893 | Ground openers with common depth-adjustment | Timothy J. Ptacek, Gregory W. Arnett | 2023-04-25 |
| 11510356 | Ground opener with floating opener body | Timothy J. Ptacek, Gregory W. Arnett | 2022-11-29 |
| 11464157 | Metering device with removable metering assembly | Alex Potuzak, Gregory W. Arnett | 2022-10-11 |
| 11252859 | Metering device with removable gate assembly | Alex Potuzak, Larry C. Spaeny, Steven Gerald Dunning | 2022-02-22 |
| 11224158 | Metering device for agricultural product | Alex Potuzak, Dan J. Obenland, Larry C. Spaeny, Steven Gerald Dunning, Matthew S. Stewart | 2022-01-18 |
| 11206758 | Flow tent for an agricultural product bin | Alex Potuzak, Larry C. Spaeny, Michael D. Swan | 2021-12-28 |
| 9031749 | Cultivation air seeder having sequentially operated tools | Jacob R. Riffel | 2015-05-12 |
| 8903545 | Agricultural implement having hopper weighing system | Jacob R. Riffel | 2014-12-02 |
| 8700269 | Steerable agricultural implement with multi-point hitch | — | 2014-04-15 |
| 8656848 | Seed distribution tower for an air seeder | Jacob R. Riffel | 2014-02-25 |
| 8616139 | Cultivation air seeder with visually enhanced seed hopper | Jacob R. Riffel | 2013-12-31 |
| 5720880 | Sugar centrifugal screen saver | Ted D. Milner | 1998-02-24 |
| 5542838 | System providing rapid die change capability to a pellet mill | Donald M. Wilhelm, S. Andrew Smith, Robert Immergluck | 1996-08-06 |