Castable Ce-Based Magnets
US-2024379263-A1 · Nov 14, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C22C38/005 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 3,038 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 169 |
| 2016 | 199 |
| 2017 | 247 |
| 2018 | 250 |
| 2019 | 293 |
| 2020 | 285 |
| 2021 | 274 |
| 2022 | 335 |
| 2023 | 277 |
| 2024 | 324 |
| 2025 | 301 |
| 2026 | 84 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Girth welded joint of steel pipe
US-2024353033-A1 · Oct 24, 2024 · US
Non-oriented electrical steel sheet and production method thereof
US-2024271255-A1 · Aug 15, 2024 · US
Ferritic stainless steel sheet which is excellent in workability and method of production of same
US-2015376732-A1 · Dec 31, 2015 · US
Hot-rolled steel sheet and manufacturing method thereof
US-2015376730-A1 · Dec 31, 2015 · US
High-strength hot-rolled steel sheet and method for manufacturing the same
US-2015368739-A1 · Dec 24, 2015 · US
High-strength hot-rolled steel sheet and method for manufacturing the same
US-2015368738-A1 · Dec 24, 2015 · US
Wire rod, steel wire, and manufacturing method thereof
US-9212405-B2 · Dec 15, 2015 · US
Hot-rolled steel sheet and manufacturing method thereof
US-9200342-B2 · Dec 1, 2015 · US
High-strength steel sheet with excellent deep drawability at room temperature and warm temperature, and method for warm working same
US-9194032-B2 · Nov 24, 2015 · US
Powder for magnetic member, powder compact, and magnetic member
US-9196403-B2 · Nov 24, 2015 · US
High-strength hot-rolled steel sheet having excellent baking hardenability and low temperature toughness with maximum tensile strength of 980 mpa or more
US-2015329950-A1 · Nov 19, 2015 · US
Rare earth magnet and manufacturing method therefor
US-9190196-B2 · Nov 17, 2015 · US
High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same
US-2015322552-A1 · Nov 12, 2015 · US
High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the same
US-2015315684-A1 · Nov 5, 2015 · US
R-t-b based permanent magnet and raw alloy for the same
US-2015302959-A1 · Oct 22, 2015 · US
R-t-b based permanent magnet and rotating machine
US-2015303744-A1 · Oct 22, 2015 · US
Stainless steel sheet and stainless steel foil
US-2015299833-A1 · Oct 22, 2015 · US
Permanent magnet and method of producing permanent magnet
US-2015302986-A1 · Oct 22, 2015 · US
Ferritic stainless steel having excellent heat resistance
US-2015292068-A1 · Oct 15, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C38/005?
- CPC C22C38/005 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C22C38/005 (Chemistry & Metallurgy)?
- Our database includes 3,038 publications tagged with this CPC code.
- Is patent activity under CPC C22C38/005 growing?
- Publication counts under this code: 324 in 2024 vs 301 in 2025 (latest complete years).