| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | United Kingdom | 3 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Packaging and shipping | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dufour Pierre-Francois | 6 |
| #2 | Francois Dufour Pierre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB353099A | Improvements in or relating to canisters | |
| GB247559A | Cable connecting device | |
| GB147977A | Improvements in brakes for railway trains |