Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275604 | Sweep system for full elevated floor grain bins | Ryan Olson, David Jay Brownmiller | 2025-04-15 |
| 11337374 | Sweep system for full elevated floor grain bins | Ryan Olson, David Jay Brownmiller | 2022-05-24 |
| 10836582 | Paddle sweep | Ryan Olson, Charles E. Sukup, David Jay Brownmiller | 2020-11-17 |
| 10423134 | Intermediate sump warning system | Eugene G. Sukup, Graham Giddings, Elizabeth Brinkman, Charles E. Sukup | 2019-09-24 |
| 10377573 | Paddle sweep | Ryan Olson, Charles E. Sukup, David Jay Brownmiller | 2019-08-13 |
| 10302177 | Friction driven beltless grain spreader | Matthew Koenen Koehler | 2019-05-28 |
| 9327921 | Floating direct drive sweep assembly | Ryan Olson | 2016-05-03 |
| 8123260 | Latching device for a grain bin door | John A. Hanig, Charles E. Sukup | 2012-02-28 |
| 8047358 | Cover for a conveyor | — | 2011-11-01 |