| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 4 | |
| #2 | Switzerland | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deffner Ernst | 11 |
| #2 | Mannesmannrohren-Werke Deutsch-Oesterreichische | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB116705A | Improvements in Locomotive Boiler Fire Boxes. | |
| CA112024A | Locomotive boiler | |
| GB190606582A | Improvements in Fire Bridges for Steam Generators |