| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 36 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Measurement | |
| #3 | Transport | |
| #4 | Computer technology | |
| #5 | Weapons | |
| #6 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Systems controlling non-electric variables | |
| #2 | Measuring distances | |
| #3 | Aeroplanes | |
| #4 | Radio navigation | |
| #5 | Control or regulating systems | |
| #6 | Analogue computers | |
| #7 | Amplifiers | |
| #8 | Weapon sights | |
| #9 | Teaching materials | |
| #10 | Targets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guerpont Maurice | 4 |
| #2 | Ecary Charles | 1 |
| #3 | Gianoli Marcel Louis | 1 |
| #4 | Stcherbatcheff Georges | 1 |
| #5 | Ecarye Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE939008C | Self-stabilizing rudder surface, especially for arrangements moving in the air or in the water | |
| GB755256A | Improvements in and relating to stabilizing control-surfaces for vehicles, particularly for ships and aircraft |