| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | United Kingdom | 3 | |
| #3 | Spain | 2 | |
| #4 | Belgium | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Springs | |
| #2 | Aeroplanes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dufaux Armand | 12 |
| #2 | Dufaux Henri | 9 |
| #3 | Dufeaux Henri | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB190503990A | Improvements in and relating to Aeroplane Machines for Aerial Navigation Purposes. | |
| US846830A | Aeroplane or craft for aerial navigation. | |
| GB190318529A | Improvements in Carburetters for Internal Combustion Engines | |
| GB190107401A | Improvements relating to Motor Velocipedes. |