Method of operating an electric arc furnace and steel mill
US-12584182-B2 · Mar 24, 2026 · US
Particular sequence of the process steps
Particular sequence of the process steps · 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 | C21B2300/02 |
| Official title | Particular sequence of the process steps |
| Display label | Particular sequence of the process steps |
| Total patents | 56 |
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 | 6 |
| 2016 | 14 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hot Metal Production from DRI with Electric Arc Heating
US-2026071288-A1 · Mar 12, 2026 · US
Process for producing raw steel and aggregate for production thereof
US-12571062-B2 · Mar 10, 2026 · US
Method for producing pig iron
US-2026043098-A1 · Feb 12, 2026 · US
Production method of pig iron
US-12545970-B2 · Feb 10, 2026 · US
Sustainable steel production with co-generation of hydrogen
US-12503737-B2 · Dec 23, 2025 · US
Hot metal production from DRI with electric arc heating
US-12497668-B2 · Dec 16, 2025 · US
Biomass direct reduced iron
US-2025179596-A1 · Jun 5, 2025 · US
Modular direct reduction systems and associated methods
US-12319975-B2 · Jun 3, 2025 · US
Method for producing molten steel
US-12281365-B2 · Apr 22, 2025 · US
Method for producing slag having a desired quality
US-2024376559-A1 · Nov 14, 2024 · US
Molten pig iron manufacturing method
US-2024368716-A1 · Nov 7, 2024 · US
Method for operating a metallurgical plant for producing iron products
US-2024360526-A1 · Oct 31, 2024 · US
Sustainable steel production with co-generation of hydrogen
US-2024327939-A1 · Oct 3, 2024 · US
Device for manufacturing molten iron
US-12084731-B2 · Sep 10, 2024 · US
Method of operating an electric arc furnace and steel mill
US-2024191314-A1 · Jun 13, 2024 · US
Process for producing raw steel and aggregate for production thereof
US-2023323491-A1 · Oct 12, 2023 · US
Production method of pig iron
US-2023313328-A1 · Oct 5, 2023 · US
Modular direct reduction systems and associated methods
US-2023295755-A1 · Sep 21, 2023 · US
Hot Metal Production from DRI with Electric Arc Heating
US-2023287528-A1 · Sep 14, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21B2300/02?
- CPC C21B2300/02 is the Cooperative Patent Classification code for “Particular sequence of the process steps.”
- How many patents are filed under CPC C21B2300/02 (Particular sequence of the process steps)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC C21B2300/02 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).