| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 14 | |
| #2 | Denmark | 4 | |
| #3 | Germany | 3 | |
| #4 | Switzerland | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Heat-exchange device details | |
| #3 | Fluid fuel combustion | |
| #4 | Controlling combustion | |
| #5 | Solid fuel combustion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ltd The Clyde Oil Fuel System | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB459801A | Improvements in and relating to electric control systems for steam boilers and the like |