Methods for preheating metal-containing pellets
US-12305926-B2 · May 20, 2025 · US
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introduction of iron oxide in the flame of a burner or a hot gas stream
introduction of iron oxide in the flame of a burner or a hot gas stream · 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 | C21B13/0026 |
| Official title | {introduction of iron oxide in the flame of a burner or a hot gas stream} |
| Display label | introduction of iron oxide in the flame of a burner or a hot gas stream |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 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 fast quench of molten material in hot offgas
US-2024279757-A1 · Aug 22, 2024 · US
Apparatus for the production of molten iron
US-2022411888-A1 · Dec 29, 2022 · US
Methods for Preheating Metal-Containing Pellets
US-2021364237-A1 · Nov 25, 2021 · US
Systems and Methods for Preheating Metal-Containing Pellets
US-2019017745-A1 · Jan 17, 2019 · US
Green process for the preparation of pure iron
US-9879331-B2 · Jan 30, 2018 · US
Method and device for introducing fine particle-shaped material into the fluidised bed of a fluidised bed reduction unit
US-9512496-B2 · Dec 6, 2016 · US
Smelting Process and Apparatus
US-2016312321-A1 · Oct 27, 2016 · US
Direct smelting process
US-9359656-B2 · Jun 7, 2016 · US
Green process for the preparation of pure iron
US-2016060726-A1 · Mar 3, 2016 · US
Direct Smelting Process and Apparatus
US-2016017458-A1 · Jan 21, 2016 · US
Direct smelting process and apparatus
US-9175907-B2 · Nov 3, 2015 · US