| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 9 | |
| #2 | Switzerland | 6 | |
| #3 | Germany | 6 | |
| #4 | France | 5 | |
| #5 | United Kingdom | 4 | |
| #6 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology | |
| #4 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Forcesi Guido Oppi | 7 |
| #2 | Oppi Forcesi Guido | 5 |
| #3 | Guido Oppi Forcesi | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB2065851A | A smelting furnace for non- ferrous metals | |
| GB2059044A | A combustion device for burning an air-solvent mixture | |
| CH621408A5 | Charging device for metal-melting furnaces | |
| DE2815229A1 | LOADING DEVICE FOR METAL MELTING FURNACES | |
| GB1096206A | Apparatus for delivering metered amounts of molten metal | |
| GB990850A | A furnace for delivering metered quantities of molten metal |