| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 29 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Basic materials chemistry | |
| #5 | Materials and metallurgy | |
| #6 | Machine tools | |
| #7 | Mechanical elements | |
| #8 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Mountings for cannons and pistols | |
| #2 | Motor vehicles | |
| #3 | Explosive charges | |
| #4 | Ammunition fuzes | |
| #5 | Alloys | |
| #6 | Accessories for machine tools | |
| #7 | Pistons and sealings | |
| #8 | Armour | |
| #9 | Producer gas production | |
| #10 | Foundations and excavations |