Battery recycling
US-2021351450-A1 · Nov 11, 2021 · US
pelletizing
pelletizing · 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 | C22B1/2406 |
| Official title | {pelletizing} |
| Display label | pelletizing |
| Total patents | 131 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 17 |
| 2024 | 18 |
| 2025 | 14 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for continuously ensuring sufficient quality of green pellets
US-2021332457-A1 · Oct 28, 2021 · US
Use of hydrophobically associating copolymers as binders for pelletizing metal containing ores
US-11072840-B2 · Jul 27, 2021 · US
Methods and compositions for extraction of rare earth elements from coal ash
US-2021102273-A1 · Apr 8, 2021 · US
Use of copolymers as binders for pelletizing metal containing ores
US-2020407820-A1 · Dec 31, 2020 · US
Ironmaking feedstock
US-2020347467-A1 · Nov 5, 2020 · US
Mineral treatment process
US-2020318216-A1 · Oct 8, 2020 · US
Cationic flotation of silica and apatite from oxidized iron ores at natural pH
US-10786819-B2 · Sep 29, 2020 · US
Metallic Ore Pellets
US-2020190623-A1 · Jun 18, 2020 · US
Method for recovering valuable metals and simultaneously preparing ceramsite by roasting cyanide tailing
US-10626053-B2 · Apr 21, 2020 · US
Coated iron ore pellets and a process of making and reducing the same to form reduced iron pellets
US-10550445-B2 · Feb 4, 2020 · US
Method of operating a pelletizing plant
US-2020032369-A1 · Jan 30, 2020 · US
Process and apparatus for roasting of metal sulfide concentrates and/or residues
US-2020010924-A1 · Jan 9, 2020 · US
A method for recovering valuable metals and simultaneously preparing ceramsite by roasting cyanide tailing
US-2019382312-A1 · Dec 19, 2019 · US
Aluminum dust collection and compacting method
US-2019255794-A1 · Aug 22, 2019 · US
Method for smelting nickel oxide ore
US-10364480-B2 · Jul 30, 2019 · US
Method for producing pellet and method for smelting nickel oxide ore
US-10323297-B2 · Jun 18, 2019 · US
Oxide ore smelting method
US-2019119779-A1 · Apr 25, 2019 · US
Aluminum dust collection and compacting apparatus
US-10259184-B2 · Apr 16, 2019 · US
Direct reduced iron (dri) heat treatment, products formed therefrom, and use thereof
US-2019085420-A1 · Mar 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B1/2406?
- CPC C22B1/2406 is the Cooperative Patent Classification code for “pelletizing.”
- How many patents are filed under CPC C22B1/2406 (pelletizing)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC C22B1/2406 growing?
- Publication counts under this code: 18 in 2024 vs 14 in 2025 (latest complete years).