| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Vehicle transmission mounting | |
| #3 | Pipes | |
| #4 | Separation |
| Publication | Filing date | Title |
|---|---|---|
| GB785492A | Improvements in and relating to valves | |
| GB335867A | A device for running normally and for running on a reserve of petrol for use with automobile and other vehicles |