| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Australia | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Unspecified technologies | |
| #3 | Pistons and sealings | |
| #4 | Separation | |
| #5 | Water treatment | |
| #6 | Horticulture | |
| #7 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cordua Paul M | 14 |
| #2 | Gordua Paul M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2019293194A1 | Riser valve manifold | |
| US2013081984A1 | Water filter system | |
| US2012126492A1 | Pressure activated seal | |
| US2009140076A1 | Rotating sprinkler head valve | |
| US2007023543A1 | Telescoping pop-up sprinkler | |
| AU3301002A | Flow volume adjustment device for irrigation sprinkler heads | |
| US5163618A | Sealing device |