| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | United Kingdom | 2 | |
| #3 | Netherlands | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Packaging and shipping | |
| #6 | Engines, pumps and turbines | |
| #7 | Mechanical elements | |
| #8 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Freeman Blackett Thornton Trev | 1 |
| #2 | D Eynco Eustage Henry William | 1 |
| #3 | Skeens Frederick | 1 |
| #4 | Pratt James | 1 |
| #5 | Wilson Reginald Wellesley | 1 |
| #6 | Windlow Windale John | 1 |
| #7 | D Eynco Eustace Henry William | 1 |
| #8 | Warren Lee Hugh | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB256707A | Improvements in submarine mines | |
| GB256708A | Improvements in and relating to submarine mines | |
| US1366394A | Hoist |