| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Fluid heaters | |
| #3 | Grates | |
| #4 | Supplying fuel to combustion device | |
| #5 | Air-conditioning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Howes George W | 11 |
| #2 | Firestone James F | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US1721620A | Radiator for hot-air furnaces | |
| US1726735A | Gas oven | |
| US1721619A | Stove structure | |
| US1710695A | Draft control for furnaces and the like | |
| US1680456A | Oven | |
| US1571723A | Stove | |
| US1482897A | Gas stove | |
| US1477705A | Gas oven | |
| US1529025A | Furnace | |
| US1410183A | Gas stove | |
| US1368259A | Gas-oven | |
| US1369434A | Furnace | |
| US1366124A | Furnace | |
| US1369433A | Grate for furnaces | |
| US1355338A | Combination solid-fuel and gas range or cooking-stove | |
| US1238771A | Humidifier for hot-air furnaces. |