| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | United States | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Clutches and brakes | |
| #3 | Gearing | |
| #4 | Motor vehicles | |
| #5 | Unspecified technologies | |
| #6 | Punching metal | |
| #7 | Ships | |
| #8 | Unspecified technologies | |
| #9 | Cylinders for combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Levavasseur Leon Marie Joseph Clement | 3 |
| #2 | Societe Antoinette | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191114722A | Improvements in or relating to Apparatus for Automatically Steadying Aeroplanes. | |
| US1006106A | Device for producing the helicoidal deformation of the planes of aeroplanes. | |
| GB191014760A | Improvements in or relating to the Control of Aeroplanes. | |
| US997069A | Hydraulic differential driving mechanism. | |
| US952433A | Variable transmission mechanism for motor-vehicles. |