| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 43 | |
| #2 | Canada | 22 | |
| #3 | United Kingdom | 20 | |
| #4 | France | 3 | |
| #5 | Cyprus | 1 | |
| #6 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Steam generation | |
| #2 | Burners | |
| #3 | Fluid heaters | |
| #4 | Separation | |
| #5 | Casings for combustion chambers | |
| #6 | Unspecified technologies | |
| #7 | Punching metal | |
| #8 | Feeding fuel to combustion device | |
| #9 | Unspecified technologies | |
| #10 | Supplying fuel to combustion device |
| # | Name | Total Patents |
|---|---|---|
| #1 | Loebel Frederick A | 24 |
| #2 | Cleaver John C | 13 |
| #3 | Rulseh Elroy M | 8 |
| #4 | Grobecker Hugo H | 5 |
| #5 | Horvath John F | 5 |
| #6 | Gething Frank | 4 |
| #7 | Verne Resek Jules | 3 |
| #8 | Craig Glenn D | 3 |
| #9 | Frank Gething | 3 |
| #10 | Rehm Gustav A | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3438719A | Spiral ribbon gas burner | |
| US3262429A | Coal burning boiler | |
| US3279705A | Gas burner nozzle | |
| US3232280A | Heat exchange structure | |
| US3211134A | Wet back boiler | |
| US3230936A | Heat exchange apparatus | |
| US3196841A | Heater | |
| GB1041873A | Boiler control system | |
| US3202137A | Steam generating unit | |
| US3200793A | Multi-cell heating unit | |
| GB944792A | Improvements in or relating to fuel oil controllers | |
| US3139867A | Package heating apparatus | |
| US3111935A | Heater | |
| GB885903A | Oil-gas burner | |
| GB883777A | A multiple stage flash evaporator | |
| US3060717A | Monitoring device for fluid level indicators | |
| US3018819A | Tube beading apparatus | |
| US3056389A | Boiler | |
| DE1223484B | Oil burner | |
| GB850202A | An oil burner apparatus |