Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7644870 | Self-flushing sprinkler mechanism | Mona-Lisa Alexander | 2010-01-12 |
| 7434747 | Internal particulate protective obstruction for sprinklers | Jonathan Yeh | 2008-10-14 |
| 7261247 | Slip gear for geared sprinkler motor | Jonathan Yeh | 2007-08-28 |
| 6988747 | Multi-diameter tube coupling | Kirk Andrew Allen, Lino De Los Santos, Christopher Marshal KEE, John Thompson | 2006-01-24 |