Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843465 | Memory wire actuated control valve | — | 2005-01-18 |
| 6491235 | Pop-up sprinkler with top serviceable diaphragm valve module | Phillip A. Hope | 2002-12-10 |
| 6457656 | Pop-up sprinkler with inwardly deflectable velocity control disc | — | 2002-10-01 |
| 6227455 | Sub-surface sprinkler with surface accessible valve actuator components | Phillip A. Hope | 2001-05-08 |
| 5988523 | Pop-up sprinkler unit with split containment ring | — | 1999-11-23 |
| 5979482 | Removable captive plunger with contamination protection | — | 1999-11-09 |
| 5927607 | Sprinkle with velocity control disc | — | 1999-07-27 |
| 5868316 | Multi-color nozzle rack and method for making same | — | 1999-02-09 |
| 5699962 | Automatic engagement nozzle | Kurt Kulberg | 1997-12-23 |
| 5456411 | Quick snap nozzle system | Bradley M. Lousberg | 1995-10-10 |
| 5090446 | Adjustable check valve | Edwin J. Hunter | 1992-02-25 |
| 4898332 | Adjustable rotary stream sprinkler unit | Edwin J. Hunter | 1990-02-06 |
| D293815 | Riser for sprinkler heads | Charles A. Bickel | 1988-01-19 |
| 4526198 | Irrigation controller | — | 1985-07-02 |