| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Fluid fuel combustion | |
| #2 | Burners | |
| #3 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolfersperger John J | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US3677532A | Two chamber fuel burner | |
| US3539284A | Two-chamber fuel burner | |
| US3276693A | Burner | |
| US3266549A | Gas burner | |
| US2787318A | Burner with tangential air admission and restricted throat | |
| US2499207A | Pressure-type burner and method of burning fuel | |
| US2581316A | High rating fire-tube boiler and method of boiler operation | |
| US2385854A | Gas burner | |
| CA801455A | Fire tube boiler or water heater | |
| CA793635A | Gas burner | |
| CA785065A | Burner |