| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 16 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Measurement | |
| #3 | Control | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Parachutes | |
| #3 | Measuring distances | |
| #4 | Alarm systems | |
| #5 | Electric discharge tubes | |
| #6 | Registering devices |
| Publication | Filing date | Title |
|---|---|---|
| GB420138A | Improvements in or relating to the building of aircraft | |
| GB405091A | Improvements in or relating to electric selective remote control and/or signalling systems |