| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | United States | 6 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Unspecified technologies | |
| #3 | Fluid heaters | |
| #4 | Unspecified technologies | |
| #5 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Popp Leonard A | 6 |
| #2 | Johnson Lawrence Edmond | 2 |
| #3 | Johnson Lawrence E | 2 |
| #4 | Leach Ernest C | 2 |
| #5 | Pohle Werner P | 1 |
| #6 | Leach Ernest Conant | 1 |
| #7 | Day Stanley Warren | 1 |
| #8 | Day Stanley W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB378710A | Improvements in and relating to fuel oil burners | |
| US1969423A | Fuel oil burner | |
| US1832938A | Oil burner and support therefor | |
| US1948394A | Fuel-oil burner | |
| US1836253A | Electric radiator and humidifier | |
| US1747598A | Oil valve | |
| US1764794A | Fuel-oil burner | |
| CA310180A | Oil burner | |
| CA314415A | Fuel-oil burner | |
| CA314238A | Oil valve | |
| CA333253A | Fuel oil burner | |
| CA493544A | Oil burner head | |
| CA316769A | Electric radiator and humidifier |