| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Solid fuel combustion | |
| #2 | Domestic stoves for solid fuels | |
| #3 | Steam generation | |
| #4 | Grates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Waddell Joseph A | 7 |
| #2 | Waddell Joseph A Jr | 4 |
| #3 | Foresman James W | 2 |
| #4 | Boies David | 2 |
| #5 | Waddell Jr Joseph A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1808391A | Sectional heater | |
| US1854084A | Boiler | |
| US1800916A | Rotary ash receiver | |
| US1800915A | Sectional boiler | |
| US1356028A | Steam and hot-water furnace | |
| CA148139A | Water jacket furnace | |
| US1063088A | Water-jacket furnace. | |
| US1045668A | Sectional boiler. | |
| US968830A | Grate. | |
| CA298701A | Sectional steam boiler | |
| CA330973A | Water heater | |
| CA324821A | Boiler |