| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Parachutes | |
| #3 | Vehicle parts | |
| #4 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Louis Hechereau | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE516927C | Box spar for aircraft wing | |
| GB305675A | Improvements in and relating to supporting wings or planes for aircraft | |
| US1822196A | Aeroplane |