| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Germany | 5 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Digital networks | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Digital information transmission | |
| #3 | Magnets and transformers | |
| #4 | Antennas | |
| #5 | Dynamo-electric machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perego Arturo | 6 |
| Publication | Filing date | Title |
|---|---|---|
| GB185120A | Radiotelephonic and radiotelegraphic receiving and transmitting station | |
| GB139198A | Arrangement for protecting telephone installations from currents of dangerously high tension | |
| GB142367A | A protective transformer for preventing the passage of currents of dangerously high tension over electric signalling circuits |