| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Germany | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Textiles and paper | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Hats | |
| #2 | Textile treatments | |
| #3 | Supplying combustion engines | |
| #4 | Yarns and threads | |
| #5 | Finishing textile fabrics | |
| #6 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stoffel Fernand | 7 |
| #2 | Fernand Stoffel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB245048A | Process and apparatus for the dyeing of felt pieces employed in hat manufacture | |
| GB148199A | Improvements in the manufacture of hats of straw or other material |