| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 22 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Civil engineering | |
| #4 | Measurement | |
| #5 | Packaging and shipping | |
| #6 | Engines, pumps and turbines | |
| #7 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Pipes | |
| #3 | Fire-fighting | |
| #4 | Mixing | |
| #5 | Measuring volume | |
| #6 | Handling thin material | |
| #7 | Spraying devices | |
| #8 | Separation | |
| #9 | Siphons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coupel Gerard | 2 |
| #2 | Dall Alba Jean | 1 |
| #3 | Hugon Joseph-Albert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1190859A | A Hose Coupling Device |