| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 19 | |
| #2 | Germany | 7 | |
| #3 | United Kingdom | 7 | |
| #4 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Engines, pumps and turbines | |
| #3 | Electrical machinery and energy | |
| #4 | Telecommunications | |
| #5 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation | |
| #2 | Antennas | |
| #3 | Dynamo-electric machines | |
| #4 | Gas-turbine plants | |
| #5 | Steam engine plants | |
| #6 | Resonators | |
| #7 | Controlling combustion engines | |
| #8 | Demodulation | |
| #9 | Spark gaps and corona devices | |
| #10 | Batteries |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bellini Ettore | 19 |
| #2 | Ettore Bellini | 5 |
| #3 | Tosi Alessandro | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US1908006A | Radio goniometer | |
| US1763388A | Multiple-amplifier arrangement | |
| US1799208A | Loop antenna | |
| US1670489A | Radiogoniometer | |
| US1739941A | Radio signaling system | |
| GB217585A | Improvements in radiogoniometers | |
| GB179509A | Improvements in directional aerials for wireless receiving stations | |
| GB145049A | Improvements in apparatus for directed wireless telegraphy and telephony | |
| GB141459A | Improvements in steam turbines |