| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 31 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Technology | |
|---|---|---|
| #1 | Mountings for cannons and pistols | |
| #2 | Explosive charges | |
| #3 | Vehicle brake control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Etablissements Delaunay-Bellev | 30 |
| #2 | Louis Bourdelles Emile Alexand | 1 |
| #3 | Mecaniques L Aster Ateliers De | 1 |
| #4 | Ets Delaunay-Belleville Societ | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB131073A | Improvements in or relating to Gas Operated Guns. | |
| US1402564A | Machine gun |