Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12005464 | Sprinkler with radially limited nutating spool assembly | Don Duffin, Roger Duffin | 2024-06-11 |
| 11896990 | Nozzle assembly with rotating nozzle insert | Don Duffin, Roger Duffin | 2024-02-13 |
| 11890634 | Eddy current sprinkler dampener | Don Duffin | 2024-02-06 |
| 11261985 | Gas valve | Don Duffin, Roger Duffin | 2022-03-01 |
| 11154880 | Nutating sprinkler head | Don Duffin, Roger Duffin | 2021-10-26 |
| 11045822 | Speed controlled nutating sprinkler | Don Duffin, Roger Duffin | 2021-06-29 |
| 11045824 | Nozzle assembly with rotating nozzle insert | Don Duffin, Roger Duffin | 2021-06-29 |
| 10857551 | Sprinkler with radially limited nutating spool | Don Duffin, Roger Duffin | 2020-12-08 |