| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 46 | |
| #2 | Canada | 16 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Fluid fuel combustion | |
| #3 | Controlling combustion | |
| #4 | Unspecified technologies | |
| #5 | Feeding fuel to combustion device | |
| #6 | Rotary-pistons | |
| #7 | Lubricating | |
| #8 | Venting or aerating devices | |
| #9 | Air-conditioning | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Macrae James N | 24 |
| #2 | Thoresen Ralph S | 11 |
| #3 | Fesler Milton A | 8 |
| #4 | Bulger William A | 5 |
| #5 | Whaley Ralph S | 5 |
| #6 | Packard Calvin P | 4 |
| #7 | Frenier Albert B | 3 |
| #8 | Brown Francis H | 3 |
| #9 | Schenck William P | 2 |
| #10 | Scheminger Jr John | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2419626A | Heater | |
| US2327942A | Valve assembly | |
| US2369530A | Control for oil burners | |
| US2210736A | Oil burner | |
| US2203553A | Oil burner | |
| US2240059A | Oil burner | |
| US2103102A | Heat exchanger | |
| US1966524A | Oil burning apparatus | |
| US2059846A | Control mechanism for air conditioning apparatus | |
| US2025089A | Gas burning apparatus | |
| US1983318A | Mounting for oil burners | |
| US1952362A | Air conditioning apparatus | |
| US1949260A | Oil burning apparatus | |
| US1873581A | Oil burning apparatus | |
| US1914390A | Electric motor structure | |
| US1928442A | Valve mechanism for oil burners | |
| US1834754A | Gear pump | |
| US1857613A | Oil burner | |
| US1889325A | Strainer | |
| US1907845A | Low liquid level indicator and protection device |