| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | United Kingdom | 4 | |
| #3 | Belgium | 3 | |
| #4 | Switzerland | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Control | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Venting or aerating devices | |
| #3 | Fluid fuel combustion | |
| #4 | Pipes | |
| #5 | Ignition and extinguishing | |
| #6 | Coin-freed | |
| #7 | Chemical or physical processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swinderen Jean Van | 1 |
| #2 | Pierre Wei | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1027543A | Improved feed device for a gas heating appliance | |
| GB1027542A | Improved catalytic heating device | |
| GB905529A | Improvements in or relating to infra-red radiating apparatus | |
| US2888276A | Taps for compressed gas reservoirs | |
| GB837425A | Improvements in pipe connections to tanks containing gas under pressure |