Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12053791 | Irrigation nozzle with one or more grit vents | David C. Belongia | 2024-08-06 |
| 11660621 | Reduced precipitation rate nozzle | Samuel C. Walker, John James Wlassich, Lee James Shadbolt | 2023-05-30 |
| 11406999 | Irrigation nozzle with one or more grit vents | David C. Belongia | 2022-08-09 |
| 11247219 | Reduced precipitation rate nozzle | Samuel C. Walker, John James Wlassich, Lee James Shadbolt | 2022-02-15 |
| 11154881 | Rotary nozzle | Samuel C. Walker, Lee James Shadbolt | 2021-10-26 |
| 11000866 | Rotary nozzles and deflectors | Lee James Shadbolt | 2021-05-11 |
| 10322423 | Rotary nozzle | Samuel C. Walker, Lee James Shadbolt | 2019-06-18 |
| 9174227 | Irrigation sprinkler nozzle | Samuel C. Walker | 2015-11-03 |
| 8783582 | Adjustable arc irrigation sprinkler nozzle configured for positive indexing | Eugene Ezekiel Kim | 2014-07-22 |
| 6997393 | Pop-up irrigation sprinklers | Russdon Angold, Steve Han | 2006-02-14 |
| D486884 | Irrigation sprinkler nozzle carrier tree | Christian T. Gregory | 2004-02-17 |
| 6234411 | Combined nozzle set and lift tool for a pop-up sprinkler | Samuel C. Walker | 2001-05-22 |
| D415415 | Combined sprinkler nozzle carrier and display unit | — | 1999-10-19 |
| 5351843 | Folding display frame for forming column-like structures | William J. Wichman | 1994-10-04 |
| D299748 | Electronic acupuncture unit | — | 1989-02-07 |
| 4787558 | Rotary drive sprinkler | Timothy C. Sexton, George H. Lockwood, Joseph D. Mason, Mark J. Mattson, Robert W. Patterson | 1988-11-29 |
| 4781328 | Rotating stream nozzle | — | 1988-11-01 |
| 4625914 | Rotary drive sprinkler | Timothy C. Sexton, George H. Lockwood, Joseph D. Mason, Mark J. Mattson, Robert W. Patterson | 1986-12-02 |
| D282768 | Sprinkler drive arm | Hans D. Christen | 1986-02-25 |