Ferrule device of tundish nozzle for reducing inclusions in steel
US-2025249500-A1 · Aug 7, 2025 · US
Refining the metal
Refining the metal · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B22D11/116 |
| Official title | Refining the metal |
| Display label | Refining the metal |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 4 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for slag modification during end period of casting in steel ladle having cover
US-2025188556-A1 · Jun 12, 2025 · US
Method for producing ultra-thin hot-rolled strip steel
US-12139773-B2 · Nov 12, 2024 · US
Method for preparing high-purity nickel-based superalloy by electron beam induced refining and casting technology
US-11981978-B2 · May 14, 2024 · US
Method for producing metal ingot
US-11833582-B2 · Dec 5, 2023 · US
High-throughout continuous casting and rolling Al—Mg—Mn alloy plate for ships and the preparation process thereof
US-11674202-B2 · Jun 13, 2023 · US
High-throughout continuous casting and rolling Al-Mg-Mn alloy plate for ships and the preparation process thereof
US-2023037513-A1 · Feb 9, 2023 · US
Method for producing metal ingot
US-11498118-B2 · Nov 15, 2022 · US
Method for Preparing High-purity Nickel-based Superalloy by Electron Beam Induced Refining and Casting Technology
US-2022267878-A1 · Aug 25, 2022 · US
Systems and methods for casting metallic materials
US-2022003497-A1 · Jan 6, 2022 · US
Systems and methods for casting metallic materials
US-11150021-B2 · Oct 19, 2021 · US
Method for producing ultra-thin hot-rolled strip steel
US-2021317543-A1 · Oct 14, 2021 · US
High-strength steel sheet, high-strength galvanized steel sheet, method for manufacturing high-strength steel sheet, and method for manufacturing high-strength galvanized steel sheet
US-10941471-B2 · Mar 9, 2021 · US
Equipment and method for manufacturing copper alloy material
US-10799944-B2 · Oct 13, 2020 · US
Method for producing metal ingot
US-2020164432-A1 · May 28, 2020 · US
Method for producing metal ingot
US-2020122226-A1 · Apr 23, 2020 · US
High-strength steel sheet, high-strength galvanized steel sheet, method for manufacturing high-strength steel sheet, and method for manufacturing high-strength galvanized steel sheet
US-2019017156-A1 · Jan 17, 2019 · US
Equipment and method for manufacturing copper alloy material
US-2017368599-A1 · Dec 28, 2017 · US
Manufacturing method for strip casting 700 MPa-grade high strength atmospheric corrosion-resistant steel
US-9790566-B2 · Oct 17, 2017 · US
High cleanliness molten steel production method and refining device
US-9752202-B2 · Sep 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D11/116?
- CPC B22D11/116 is the Cooperative Patent Classification code for “Refining the metal.”
- How many patents are filed under CPC B22D11/116 (Refining the metal)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B22D11/116 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).