| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Switzerland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Transport | |
| #3 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Vehicle parts | |
| #3 | Producer gas production | |
| #4 | Details of furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chaudiere Etienne-Francois | 2 |
| #2 | Francois Chaudiere Etienne | 2 |
| #3 | Chaudiere Etienne Francois | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB692074A | Improvements in luggage racks | |
| GB161971A | Improvements in shaft furnaces and the like | |
| GB137168A | Improvements in or relating to shaft furnaces and gas producers |