| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 38 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Telecommunications | |
| #3 | Basic communication technologies | |
| #4 | Measurement | |
| #5 | Machine tools | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Electrically-conductive connections | |
| #3 | Radio navigation | |
| #4 | Antennas | |
| #5 | Soldering, welding and flame cutting | |
| #6 | Pulse technique | |
| #7 | Installation of electric cables | |
| #8 | Ships | |
| #9 | Waveguides | |
| #10 | Amplifiers |