| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Thermal processes | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Pipes | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Horticulture | |
| #6 | Punching metal | |
| #7 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilson Charles O | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2047348A | Water sprinkler | |
| US2034933A | Snap valve coupling | |
| US2021710A | Nozzle | |
| US1962543A | Die structure | |
| US1976054A | Humidifying device | |
| US2021709A | Irrigating and sprinkling system | |
| US1966745A | Combined pipe-coupling and valve device | |
| US1976053A | Irrigating and sprinkling system | |
| CA344629A | Die | |
| CA349553A | Pipe coupling and valve | |
| CA351475A | Irrigating and sprinkling system |