| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 7 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | France | 1 | |
| #5 | Japan | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Magnets and transformers | |
| #3 | Animal catching |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruggeri Luigi | 10 |
| #2 | Ruiji Rugeri | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4104716A | Saturable magnetic device for regulating commutating or converting an electric current from AC to DC or vice versa |