| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 35 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Agriculture | |
| #3 | Engines, pumps and turbines | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Horticulture | |
| #5 | Supplying combustion engines | |
| #6 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coles Walter H | 29 |
| #2 | Nelson Bert J | 19 |
| #3 | Dudley Wray E | 3 |
| #4 | Friedmann Anton R J | 2 |
| #5 | Skinner Charles W | 2 |
| #6 | Bert Jennings | 2 |
| #7 | Michael Demido | 1 |
| #8 | Coles Walter Hays | 1 |
| #9 | Paullus Clarence L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3263930A | Irrigation sprinkler | |
| US3038666A | Sprinklers | |
| US2778681A | Rotary sprinkler, including impact absorbing means | |
| US2793911A | Sprinkler, including coupling | |
| US2621975A | Spray deflector | |
| US2625429A | Sprinkling system | |
| US2625428A | Sprinkling system | |
| US2539061A | Spray nozzle | |
| US2586517A | Water distributing device | |
| US2288394A | Sprinkling apparatus | |
| US2278580A | Sprinkling apparatus | |
| US2223441A | Sprinkling apparatus | |
| US2173295A | Irrigation device | |
| US2228720A | Sprinkling apparatus | |
| US2254270A | Sprinkling apparatus | |
| US2131271A | Irrigation device | |
| US2108787A | Irrigation device | |
| US2075702A | Irrigation device | |
| US2034607A | Irrigation device | |
| US2009478A | Irrigation device |