| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Austria | 2 | |
| #3 | Canada | 2 | |
| #4 | Spain | 2 | |
| #5 | United States | 2 | |
| #6 | Switzerland | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Steam generation | |
| #2 | Details of furnaces | |
| #3 | Casings for combustion chambers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ellis William Jefferson | 11 |
| #2 | Savage Columbus Washington | 2 |
| #3 | Fakes Bithaniel Ralston | 2 |
| #4 | Savage William Anderson | 2 |
| #5 | William Jefferson Ellis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191108207A | Improvements in and relating to Steam Boilers and their Furnaces. | |
| GB190913307A | Improvements in Steam Boiler Furnaces. | |
| CA121454A | Steam boiler furnace | |
| US950662A | Steam-boiler furnace. | |
| GB190901430A | Improvements in and relating to Steam Generators. | |
| GB190721729A | Improvements in and relating to Steam Generators and the like. | |
| CA110362A | Boiler and furnace | |
| US882456A | Combined boiler and furnace. |