Molten iron dephosphorization method
US-12584183-B2 · Mar 24, 2026 · US
Details or accessories
Details or accessories · 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 | C21C5/46 |
| Official title | Details or accessories |
| Display label | Details or accessories |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Slag discharge amount estimation method
US-2026043613-A1 · Feb 12, 2026 · US
Cooling plate for a metallurgical furnace
US-12351883-B2 · Jul 8, 2025 · US
Method for measuring three-dimensional absolute position of object to be measured and method for detecting position of molten material
US-2025095188-A1 · Mar 20, 2025 · US
Blast furnace slag level estimation method, operation guidance method, method of producing hot metal, blast furnace slag level estimation apparatus, and operation guidance apparatus
US-2024337447-A1 · Oct 10, 2024 · US
Top-blowing lance for converter, method for adding auxiliary raw material, and method for refining of molten iron
US-2024076755-A1 · Mar 7, 2024 · US
Refining method of molten iron and manufacturing method of molten steel using same
US-2024068060-A1 · Feb 29, 2024 · US
Converter torque support
US-11814692-B2 · Nov 14, 2023 · US
Cooling plate for a metallurgical furnace
US-2023077841-A1 · Mar 16, 2023 · US
Molten iron dephosphorization method
US-2022259686-A1 · Aug 18, 2022 · US
Converter torque support
US-2021381070-A1 · Dec 9, 2021 · US
Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters
US-10988818-B2 · Apr 27, 2021 · US
Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters
US-2020340070-A1 · Oct 29, 2020 · US
Method of detecting slag in molten steel flow
US-2020023429-A1 · Jan 23, 2020 · US
Heating device and heating method of torpedo car
US-2020017928-A1 · Jan 16, 2020 · US
Method of detecting slag in molten steel flow
US-2019390290-A1 · Dec 26, 2019 · US
Metallurgical container
US-10451349-B2 · Oct 22, 2019 · US
Gas pressure tank structure
US-10429007-B2 · Oct 1, 2019 · US
Metallurgical apparatus
US-10215495-B2 · Feb 26, 2019 · US
Converter
US-2018100207-A1 · Apr 12, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21C5/46?
- CPC C21C5/46 is the Cooperative Patent Classification code for “Details or accessories.”
- How many patents are filed under CPC C21C5/46 (Details or accessories)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C21C5/46 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).