| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 16 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Audio-visual technology | |
| #3 | Measurement | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Parachutes | |
| #3 | Marine propulsion | |
| #4 | Venting or aerating devices | |
| #5 | Cooling of machines | |
| #6 | Special information storage | |
| #7 | Measuring speed and acceleration | |
| #8 | Convertible vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Letord Emile | 16 |