Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11800830 | Piezo actuated nozzle control valve | Richard A. Humpal | 2023-10-31 |
| 10980170 | Piezo actuated nozzle control valve | Richard A. Humpal | 2021-04-20 |
| 10939606 | Scouting systems | Chad A. Ackerman, Scott Stephens, Dolly Y. Wu, Mark A. Harris | 2021-03-09 |
| 10165722 | Scouting systems | Chad A. Ackerman, Scott Stephens, Dolly Y. Wu, Mark A. Harris | 2019-01-01 |
| 8919676 | Arrangement for switching nozzles on the go for controlling spray rate | Travis G. Funseth, Richard A. Humpal | 2014-12-30 |
| 8844838 | Sprayer pulsing nozzle flow control using rotational step positions | Travis G. Funseth, Richard A. Humpal | 2014-09-30 |