| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Civil engineering | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Fluid heaters | |
| #2 | Air-conditioning | |
| #3 | Domestic stoves | |
| #4 | Domestic stoves for solid fuels | |
| #5 | Horticulture | |
| #6 | Swimming pools | |
| #7 | Combustion residues removal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Waterbury James L | 12 |
| #2 | Waterman Clyde | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US1875685A | Heating and ventilating apparatus | |
| US1875684A | Register grille | |
| US1875683A | Register fan | |
| US1259059A | Smoke-pot for naval use. | |
| US1146980A | Ventilating apparatus. | |
| CA118235A | Ventilator | |
| US915134A | Heating apparatus. | |
| US915133A | Hot-air register. | |
| US904240A | Heating and ventilating appliance. | |
| US903644A | Heating and ventilating device. | |
| US878474A | Ventilating device. | |
| CA318237A | Register fan |