Continuous casting tundish, method for continuously casting steel, and weir
US-2026070119-A1 · Mar 12, 2026 · US
Treatment with gases (C21C7/072, C22B9/05 take precedence)
Treatment with gases (C21C7/072, C22B9/05 take precedence) · 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 | B22D1/002 |
| Official title | {Treatment with gases (C21C7/072, C22B9/05 take precedence)} |
| Display label | Treatment with gases (C21C7/072, C22B9/05 take precedence) |
| Total patents | 52 |
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 | 2 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for improving aluminum degassing efficiency
US-2025178076-A1 · Jun 5, 2025 · US
Operation method of ladle refining treatment
US-12172208-B2 · Dec 24, 2024 · US
Shaft and post assemblies for molten apparatus
US-2024198416-A1 · Jun 20, 2024 · US
Purification Method of Recovered Aluminum Melt for Automobile Hub
US-2024109122-A1 · Apr 4, 2024 · US
Method for producing ultra-low carbon steel product
US-2023287543-A1 · Sep 14, 2023 · US
Systems and methods for direct deposition of thixotropic alloys
US-2023278105-A1 · Sep 7, 2023 · US
Multicomponent fecosim soft magnetic alloy and preparation method thereof
US-2023203626-A1 · Jun 29, 2023 · US
Tundish
US-11684969-B2 · Jun 27, 2023 · US
Systems and methods for direct deposition of thixotropic alloys
US-11679439-B2 · Jun 20, 2023 · US
Systems and methods for direct deposition of thixotropic alloys
US-2023039985-A1 · Feb 9, 2023 · US
Operation method of ladle refining treatment
US-2023012857-A1 · Jan 19, 2023 · US
Production method of maraging steel
US-11427897-B2 · Aug 30, 2022 · US
Gas purging plug, gas purging system, method for characterization of a gas purging plug and method for purging a metal melt
US-11408040-B2 · Aug 9, 2022 · US
Nozzle, casting apparatus, and cast product manufacturing method
US-11351600-B2 · Jun 7, 2022 · US
Method of manufacturing semi-solidified molten metal
US-11331717-B2 · May 17, 2022 · US
Stirring device having degassing and feeding functions
US-11268167-B2 · Mar 8, 2022 · US
Molten material treatment apparatus
US-11203059-B2 · Dec 21, 2021 · US
Tundish
US-2021291260-A1 · Sep 23, 2021 · US
Method of manufacturing semi-solidified molten metal
US-2021252590-A1 · Aug 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D1/002?
- CPC B22D1/002 is the Cooperative Patent Classification code for “Treatment with gases (C21C7/072, C22B9/05 take precedence).”
- How many patents are filed under CPC B22D1/002 (Treatment with gases (C21C7/072, C22B9/05 take precedence))?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC B22D1/002 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).