Method of producing iron ore pellets
US-2026085376-A1 · Mar 26, 2026 · US
enduration of pellets
enduration of pellets · 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 | C22B1/2413 |
| Official title | {enduration of pellets} |
| Display label | enduration of pellets |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing hot metal using solid-reducing furnace and submerged arc furnace
US-2026071286-A1 · Mar 12, 2026 · US
Method of producing iron ore pellets
US-2026071296-A1 · Mar 12, 2026 · US
Method for producing iron ore pellet
US-2026043108-A1 · Feb 12, 2026 · US
Methods of making upgraded synthetic rutile
US-2026015691-A1 · Jan 15, 2026 · US
Compositions and methods for improvement of blast furnace production
US-2025388992-A1 · Dec 25, 2025 · US
Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production
US-2025188565-A1 · Jun 12, 2025 · US
Method for producing high iron-content products from iron ore fines and biomass, and products thereof
US-2025154616-A1 · May 15, 2025 · US
Pre-reduced pellet preparation apparatus and method based on grate-rotary kiln
US-2024279767-A1 · Aug 22, 2024 · US
Induration machine
US-12050058-B2 · Jul 30, 2024 · US
Raw material particles for production of agglomerate, method for producing raw material particles for production of agglomerate, agglomerate, method for producing agglomerate, and method for producing reduced iron
US-2024167110-A1 · May 23, 2024 · US
Method for producing iron ore pellets
US-2024158886-A1 · May 16, 2024 · US
Biomass direct reduced iron
US-2023407423-A1 · Dec 21, 2023 · US
Processes for purifying iron-bearing materials
US-2023399710-A1 · Dec 14, 2023 · US
Method for supplying raw material to a sinter plant
US-2023257849-A1 · Aug 17, 2023 · US
Metallic ore pellets
US-11667989-B2 · Jun 6, 2023 · US
Composite iron pellets and methods of making same
US-11530464-B2 · Dec 20, 2022 · US
Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production
US-2022162725-A1 · May 26, 2022 · US
Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production
US-2022162064-A1 · May 26, 2022 · US
Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production
US-2022162726-A1 · May 26, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B1/2413?
- CPC C22B1/2413 is the Cooperative Patent Classification code for “enduration of pellets.”
- How many patents are filed under CPC C22B1/2413 (enduration of pellets)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C22B1/2413 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).