Method for manufacturing carbonaceous material-containing agglomerate ore, and method for manufacturing molten pig iron
US-2025137080-A1 · May 1, 2025 · US
Starting from ores containing non ferrous metallic oxides
Starting from ores containing non ferrous metallic oxides · 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 | C21B13/006 |
| Official title | {Starting from ores containing non ferrous metallic oxides} |
| Display label | Starting from ores containing non ferrous metallic oxides |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 4 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enrichment of Iron from Bauxite Waste in Chemical Looping Combustion
US-2024360525-A1 · Oct 31, 2024 · US
Ironmaking feedstock
US-11851725-B2 · Dec 26, 2023 · US
Oxide ore smelting method
US-11608543-B2 · Mar 21, 2023 · US
Ironmaking feedstock
US-2023049624-A1 · Feb 16, 2023 · US
Method for smelting oxide ore
US-11479832-B2 · Oct 25, 2022 · US
Ironmaking feedstock
US-2020347467-A1 · Nov 5, 2020 · US
Magnetite-based sintered ore and method of producing same
US-10724115-B2 · Jul 28, 2020 · US
Reduced iron manufacturing method
US-10683562-B2 · Jun 16, 2020 · US
Multi-stage suspension magnetizing roasting-magnetic separation system device and method for refractory iron ore
US-10543491-B2 · Jan 28, 2020 · US
Method for smelting nickel oxide ore
US-10364480-B2 · Jul 30, 2019 · US
Pneumatic ore charging
US-10337076-B2 · Jul 2, 2019 · US
Method for smelting saprolite ore
US-10301704-B2 · May 28, 2019 · US
Method for smelting oxide ore
US-2019144971-A1 · May 16, 2019 · US
Oxide ore smelting method
US-2019119779-A1 · Apr 25, 2019 · US
Multi-stage suspension magnetizing roasting-magnetic separation system device and method for refractory iron ore
US-2018361395-A1 · Dec 20, 2018 · US
Method for preparing a metallic article having an other additive constituent, without any melting
US-10100386-B2 · Oct 16, 2018 · US
Reduced iron manufacturing method
US-2018209012-A1 · Jul 26, 2018 · US
Method and apparatus for treating iron-contained raw material using bath smelting furnace
US-2018087120-A1 · Mar 29, 2018 · US
Method for smelting saprolite ore
US-2018030574-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21B13/006?
- CPC C21B13/006 is the Cooperative Patent Classification code for “Starting from ores containing non ferrous metallic oxides.”
- How many patents are filed under CPC C21B13/006 (Starting from ores containing non ferrous metallic oxides)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C21B13/006 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).