Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12097522 | Arc arrest mechanism for irrigation sprinklers | — | 2024-09-24 |
| 12029149 | Plant feeding device for use with drip irrigation | — | 2024-07-09 |
| 10464083 | Sprinkler arc adjustment mechanism | Hyok Lee, Ralph E. Faupel | 2019-11-05 |
| 9616437 | Sprinkler arc adjustment mechanism | Hyok Lee, Ralph E. Faupel | 2017-04-11 |
| 8857742 | Flow shut-off valve for sprinkler | — | 2014-10-14 |
| 7168634 | Debris resistant collar for rotating stream sprinklers | — | 2007-01-30 |
| D527791 | Sprinkler | Samuel C. Walker | 2006-09-05 |
| 6814304 | Rotating stream sprinkler with speed control brake | — | 2004-11-09 |