| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Canada | 4 | |
| #3 | Spain | 3 | |
| #4 | Austria | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Circuits for supplying electric power |
| # | Name | Total Patents |
|---|---|---|
| #1 | Martinetto Vittorio | 8 |
| #2 | Vittorio Martinetto | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US1279392A | Electrical distributing system. | |
| CA264265A | Induction motor | |
| CA241942A | Asynchronous machine | |
| CA275031A | Electric motor control system | |
| CA243437A | Asynchronous induction machine |