| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Canada | 3 | |
| #4 | United States | 2 | |
| #5 | Australia | 1 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Spark gaps and corona devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Francesconi Christian | 12 |
| Publication | Filing date | Title |
|---|---|---|
| AT511157A1 | Spark plug | |
| AT506140A1 | Spark plug | |
| AT506139A1 | Spark plug with precious metal coating |