| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Fluid heaters | |
| #3 | Steam generation | |
| #4 | Unspecified technologies | |
| #5 | Burners | |
| #6 | Feeding fuel to combustion device | |
| #7 | Pistons and sealings | |
| #8 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dufault Homer D | 7 |
| #2 | Sinclair Peter S | 7 |
| #3 | Gill George C | 2 |
| #4 | Conant John H | 2 |
| #5 | Moakler Patrick J | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2281563A | Pilot for gas ranges | |
| US2257721A | Gas water heater | |
| US2245332A | Water heater | |
| US2257720A | Water heater | |
| US2219517A | Heating apparatus | |
| US2225773A | Gas water heater | |
| US2148368A | Burner apparatus | |
| US2053236A | Oil burner | |
| US2003579A | Heater | |
| US1762897A | Air inlet device for oil burners | |
| US1630675A | Joint packing | |
| US1671938A | Hinge construction | |
| US1246813A | Hot-water heater. | |
| CA274758A | Packing joint for heaters | |
| US1246084A | Hot-water heater. | |
| CA289212A | Heater hinge |