| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Woolley William J | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2535772A | Humidifier | |
| US2557042A | Porous sheet evaporator type humidifier for hot-air furnaces and mounting means therefor | |
| US2276136A | Air relief device | |
| US2276135A | Humidifier | |
| US2278755A | Humidifier | |
| US2155070A | Humidifier | |
| US2181956A | Water feeder | |
| US2079098A | Automatic water feeding device | |
| US2106512A | Air vent | |
| US1851268A | Valve for water closets | |
| US1749794A | Bath-fixture lug | |
| US1793534A | Overflow and waste valve | |
| US1857800A | Water closet | |
| CA472909A | Humidifiers |