| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Transport | |
| #3 | Optics | |
| #4 | Measurement | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Military vessels | |
| #2 | Ships | |
| #3 | Optical systems | |
| #4 | Pistons and sealings | |
| #5 | Dry-docking of vessels | |
| #6 | Marine propulsion | |
| #7 | Measuring temperature |
| # | Name | Total Patents |
|---|---|---|
| #1 | Laubeuf Maxime | 12 |
| #2 | Royer Henri | 1 |
| #3 | Doignon Abel-Louis | 1 |
| #4 | Laurent Henry | 1 |