| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | United States | 4 | |
| #3 | Sweden | 3 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes | |
| #3 | Materials and metallurgy | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Special electric heating or lighting | |
| #2 | Details of furnaces | |
| #3 | Unspecified technologies | |
| #4 | Working metallic powder | |
| #5 | Furnaces | |
| #6 | Metal production and refining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schlienger M | 8 |
| Publication | Filing date | Title |
|---|---|---|
| US3818113A | Arc furnace having consumable and non-consumable electrodes and method | |
| US3769441A | Arc electrode with deformable diffuser | |
| US3717713A | Arc furnace crucible | |
| US3721511A | Rotating arc furnace crucible |