Process for producing raw steel and aggregate for production thereof
US-12571062-B2 · Mar 10, 2026 · US
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starting from scrap
starting from scrap · 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 | C21C5/562 |
| Official title | {starting from scrap} |
| Display label | starting from scrap |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric furnace
US-2025093100-A1 · Mar 20, 2025 · US
High performance alloy for corrosion resistance
US-12138674-B2 · Nov 12, 2024 · US
Scrap inventory management method
US-2024002984-A1 · Jan 4, 2024 · US
High performance alloy for corrosion resistance
US-2023339006-A1 · Oct 26, 2023 · US
High performance alloy for corrosion resistance
US-11794228-B2 · Oct 24, 2023 · US
Process for producing raw steel and aggregate for production thereof
US-2023323491-A1 · Oct 12, 2023 · US
Process and system for steel and hydrogen production using recycled ferrous scrap and natural gas
US-11692231-B2 · Jul 4, 2023 · US
Process and system for steel and hydrogen production using recycled ferrous scrap and natural gas
US-11680299-B2 · Jun 20, 2023 · US
Melting method in an electric arc furnace and melting apparatus
US-2023040089-A1 · Feb 9, 2023 · US
Liquid feed for a basic oxygen furnace
US-2023032245-A1 · Feb 2, 2023 · US
Nb microalloyed high strength high hole expansion steel and production method therefor
US-2022389534-A1 · Dec 8, 2022 · US
High performance alloy for corrosion resistance
US-2022297172-A1 · Sep 22, 2022 · US
Process and system for steel and hydrogen production using recycled ferrous scrap and natural gas
US-2022275466-A1 · Sep 1, 2022 · US
Process and system for steel and hydrogen production using recycled ferrous scrap and natural gas
US-2021062279-A1 · Mar 4, 2021 · US
Production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces
US-10767239-B2 · Sep 8, 2020 · US
Production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces
US-2018363077-A1 · Dec 20, 2018 · US
Apparatus for manufacturing molten metal
US-9557109-B2 · Jan 31, 2017 · US
Arc evaporation coating source having a permanent magnet
US-2016099134-A1 · Apr 7, 2016 · US