Facility for producing reduced iron and method for producing reduced iron
US-2025027178-A1 · Jan 23, 2025 · US
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in multi-storied furnaces
in multi-storied furnaces · 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 | C21B13/06 |
| Official title | in multi-storied furnaces |
| Display label | in multi-storied furnaces |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Direct bath smelting process with management of peripheral cold zones at the metal-slag interface
US-2023407422-A1 · Dec 21, 2023 · US
Method for manufacturing reduced iron
US-10557179-B2 · Feb 11, 2020 · US
Method for Manufacturing Reduced Iron
US-2018010202-A1 · Jan 11, 2018 · US
Apparatus for manufacturing reduced iron and method for manufacturing the same
US-9783862-B2 · Oct 10, 2017 · US