| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 | |
| #2 | United States | 2 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy | |
| #4 | Environmental technology | |
| #5 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andre Gilles Franz Florent Rao | 1 |
| #2 | Victor Noaillon Edmond Henri | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2220171A | Apparatus for the continuous distillation of liquids | |
| DE690580C | Masonry substructure for a coke oven battery | |
| US2193000A | Coke oven |