| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 29 | |
| #2 | Switzerland | 3 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Belgium | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Materials and metallurgy | |
| #6 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marcel Arnoux | 2 |
| #2 | Georges Rambaud | 2 |
| #3 | Georges Daumy | 2 |
| #4 | Daumy Georges | 2 |
| #5 | Daumy Georges Francis Alexis | 2 |
| #6 | Bouchayer Robert | 1 |
| #7 | Jean Simon-Suisse | 1 |
| #8 | Bouchayer Viallet Etablissemen | 1 |
| #9 | Caillat-Thoranne Henri | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB905767A | Improvements in tubular structures | |
| US3049335A | Butterfly gates |