Method for manufacturing molten iron with electric arc furnace
US-12492439-B2 · Dec 9, 2025 · US
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Foam slags
Foam slags · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C21C2005/366 |
| Official title | {Foam slags} |
| Display label | Foam slags |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing molten iron with electric arc furnace
US-2022403478-A1 · Dec 22, 2022 · US
Method of refining molten iron
US-9315875-B2 · Apr 19, 2016 · US