| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 24 | |
| #2 | Austria | 9 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications | |
| #3 | Electrical machinery and energy | |
| #4 | Audio-visual technology | |
| #5 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Demodulation | |
| #3 | Tuning resonant circuits | |
| #4 | Electric discharge tubes | |
| #5 | Amplification control | |
| #6 | Resonators | |
| #7 | Amplifiers | |
| #8 | Radio navigation | |
| #9 | Television |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bastide Andre | 16 |
| #2 | Duzea Leon | 13 |
| #3 | Tarel Georges | 6 |
| #4 | Lacour Leopold | 3 |
| #5 | Andre Bastide | 2 |
| #6 | Leon Duzea | 2 |
| #7 | Mothiron Claude | 1 |
| #8 | Riotte Roger | 1 |
| #9 | Didelot Robert | 1 |
| #10 | Nissen Alexandre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2120813A | Radio tuning indicator device | |
| GB455367A | Improvements in or relating to superheterodyne radio and like receivers |