Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12186766 | Nozzle and sprinkler for center pivot end | Lee A. Perkins, Craig B. Nelson | 2025-01-07 |
| 8839135 | Method and apparatus for irrigation system design registration and on-site sprinkler package configuration verification | Craig B. Nelson | 2014-09-16 |
| 8285421 | Method and apparatus for optimization of sprinkler head positions and nozzle sizes in an irrigation system | — | 2012-10-09 |
| 6688539 | Water distribution plate for rotating sprinklers | — | 2004-02-10 |