| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 38 | |
| #2 | United States | 5 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Transport | |
| #6 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rene Mercier | 2 |
| #2 | Michel Chenillat | 1 |
| #3 | Aime Ardoin | 1 |
| #4 | Jules Martin Georges Louis | 1 |
| #5 | Lucien Rougerie | 1 |
| #6 | Rougerie Lucien | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2468478A | Machine tool | |
| GB351672A | Piloting apparatus operating with compressed air gyroscopes | |
| US1759318A | Device for the distant transmission of orders | |
| US1797794A | Training device for pilots | |
| US1860328A | Device for electrically lighting signals | |
| US1881207A | Magnetic compass compensating device |