| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 17 | |
| #2 | Germany | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Basic materials chemistry | |
| #3 | Measurement | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Blasting | |
| #3 | Matches | |
| #4 | Clutches and brakes | |
| #5 | Testing of structures | |
| #6 | Detonating devices | |
| #7 | Parachutes | |
| #8 | Ammunition fuzes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andre Thomas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1039435B | Friction igniter | |
| US2960000A | Methods for filling shells |