Biomass direct reduced iron
US-2023332258-A1 · Oct 19, 2023 · US
Preliminary conditioning of the solid carbonaceous reductant
Preliminary conditioning of the solid carbonaceous reductant · 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 | C21B13/0066 |
| Official title | {Preliminary conditioning of the solid carbonaceous reductant} |
| Display label | Preliminary conditioning of the solid carbonaceous reductant |
| Total patents | 110 |
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 | 3 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 20 |
| 2022 | 9 |
| 2023 | 14 |
| 2024 | 18 |
| 2025 | 18 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Foundry coke products and associated processing methods via cupolas
US-2023142380-A1 · May 11, 2023 · US
Biomass Direct Reduced Iron
US-2023131754-A1 · Apr 27, 2023 · US
High-carbon biogenic reagents and uses thereof
US-2023092078-A1 · Mar 23, 2023 · US
Method for iron making by continuous smelting reduction
US-2023082269-A1 · Mar 16, 2023 · US
Ferrocoke manufacturing method
US-11486022-B2 · Nov 1, 2022 · US
Production of iron
US-11479829-B2 · Oct 25, 2022 · US
Systems and apparatus for production of high-carbon biogenic reagents
US-2022315852-A1 · Oct 6, 2022 · US
Biocarbon pellets with adjustable grindability index
US-2022228080-A1 · Jul 21, 2022 · US
Processes for producing biocarbon pellets with adjustable grindability index
US-2022228081-A1 · Jul 21, 2022 · US
Reactivity-moderated biocarbon pellets
US-2022228082-A1 · Jul 21, 2022 · US
Systems and apparatus for production of high-carbon biogenic reagents
US-11359154-B2 · Jun 14, 2022 · US
Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis
US-2022169936-A1 · Jun 2, 2022 · US
Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis
US-11286440-B2 · Mar 29, 2022 · US
High-carbon biogenic reagents and uses thereof
US-2021395631-A1 · Dec 23, 2021 · US
High-carbon biogenic reagents and uses thereof
US-2021395632-A1 · Dec 23, 2021 · US
High-carbon biogenic reagents and uses thereof
US-2021395630-A1 · Dec 23, 2021 · US
High-carbon biogenic reagents and uses thereof
US-2021388280-A1 · Dec 16, 2021 · US
High-carbon biogenic reagents and uses thereof
US-2021355399-A1 · Nov 18, 2021 · US
High-carbon biogenic reagents and uses thereof
US-2021355403-A1 · Nov 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21B13/0066?
- CPC C21B13/0066 is the Cooperative Patent Classification code for “Preliminary conditioning of the solid carbonaceous reductant.”
- How many patents are filed under CPC C21B13/0066 (Preliminary conditioning of the solid carbonaceous reductant)?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC C21B13/0066 growing?
- Publication counts under this code: 18 in 2024 vs 18 in 2025 (latest complete years).