Method for granulating a metallurgical slag
US-12319983-B2 · Jun 3, 2025 · US
Cooling slag
Cooling slag · 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 | C21B3/08 |
| Official title | Cooling slag |
| Display label | Cooling slag |
| Total patents | 48 |
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 | 6 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Formation method for slag flow, production method for organic compound, production method for particles, and extraction method
US-12116643-B2 · Oct 15, 2024 · US
Direct bath smelting process with fast quench of molten material in hot offgas
US-2024279757-A1 · Aug 22, 2024 · US
System and method for delivering fluidized powder based on flue gas carrying waste slag and instant cooling steel slag
US-12054795-B2 · Aug 6, 2024 · US
System and method for delivering fluidized powder based on flue gas carrying waste slag and instant cooling steel slag
US-2024102118-A1 · Mar 28, 2024 · US
Steel slag abrasive materials for blasting
US-2024042577-A1 · Feb 8, 2024 · US
Method and apparatus for direct drying of inorganic sludge with drum drawing process
US-11891318-B2 · Feb 6, 2024 · US
Method for granulating a metallurgical slag
US-2023392230-A1 · Dec 7, 2023 · US
Porous material and method for preparing the same
US-11767271-B2 · Sep 26, 2023 · US
Integrated drying process and device for dry granulated slag and sludge
US-2023295754-A1 · Sep 21, 2023 · US
Efficient Treatment Method and Apparatus for Multiphase Steel Slag
US-2023265533-A1 · Aug 24, 2023 · US
Method of continuous manufacturing of solidified steelmaking slag and associated device
US-11708302-B2 · Jul 25, 2023 · US
Blast furnace slag granulation and waste heat recovery and utilization device and method
US-2023100959-A1 · Mar 30, 2023 · US
Apparatus and method for separating a slag material from a collector material
US-2023082129-A1 · Mar 16, 2023 · US
Heat recover apparatus, system and method of using the same
US-11560880-B2 · Jan 24, 2023 · US
Reduced iron production method and production apparatus
US-11549155-B2 · Jan 10, 2023 · US
Roller treatment process and treatment device suitable for total-amount steel slag treatment
US-11519043-B2 · Dec 6, 2022 · US
Method for treating slag
US-11479830-B2 · Oct 25, 2022 · US
Formation method for slag flow, production method for organic compound, production method for particles, and extraction method
US-2022162716-A1 · May 26, 2022 · US
Method and apparatus for direct drying of inorganic sludge with drum drawing process
US-2021347665-A1 · Nov 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21B3/08?
- CPC C21B3/08 is the Cooperative Patent Classification code for “Cooling slag.”
- How many patents are filed under CPC C21B3/08 (Cooling slag)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C21B3/08 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).