| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 7 | |
| #2 | Belgium | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United States | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Special electric heating or lighting | |
| #2 | Details of furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crescenzi Giuseppe | 10 |
| Publication | Filing date | Title |
|---|---|---|
| EP0133419A1 | Electric induction crucible furnace | |
| GB883739A | Improvements in induction furnaces | |
| GB864787A | Improvements in and relating to charging devices for tiltable smelting furnaces |