Grain-oriented electrical steel sheet
US-10434606-B2 · Oct 8, 2019 · US
involving a localised treatment
involving a localised treatment · 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 | C21D8/1294 |
| Official title | involving a localised treatment |
| Display label | involving a localised treatment |
| Total patents | 223 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 9 |
| 2017 | 12 |
| 2018 | 21 |
| 2019 | 15 |
| 2020 | 17 |
| 2021 | 16 |
| 2022 | 30 |
| 2023 | 27 |
| 2024 | 31 |
| 2025 | 26 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Localized induction heat treatment
US-2019296619-A1 · Sep 26, 2019 · US
Method of producing grain-oriented electrical steel sheet
US-2019112685-A1 · Apr 18, 2019 · US
Graded magnetic component and method of forming
US-10229777-B2 · Mar 12, 2019 · US
Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor
US-2019062866-A1 · Feb 28, 2019 · US
Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor
US-2019054570-A1 · Feb 21, 2019 · US
Electrical steel sheet and method for manufacturing the same
US-2019035524-A1 · Jan 31, 2019 · US
Grain-oriented electrical steel sheet and method for manufacturing same
US-2018371573-A1 · Dec 27, 2018 · US
Grain-oriented electrical steel sheet and method for manufacturing same
US-10147527-B2 · Dec 4, 2018 · US
Grain-oriented magnetic steel sheet and method of producing the same
US-10131018-B2 · Nov 20, 2018 · US
Method for producing a starting material for the production of metallic components having regions of different strength
US-2018274051-A1 · Sep 27, 2018 · US
Composite magnetic member and method of manufacturing same
US-10083784-B2 · Sep 25, 2018 · US
Method of scale substrate manufacture
US-10072943-B2 · Sep 11, 2018 · US
Grain-oriented electrical steel sheet and method for improving iron loss properties thereof
US-10062483-B2 · Aug 28, 2018 · US
Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method
US-10031068-B2 · Jul 24, 2018 · US
Grain-oriented electrical steel sheet for iron core and method of manufacturing the same
US-10026533-B2 · Jul 17, 2018 · US
Grain-oriented electrical steel sheet and method for producing same
US-10020101-B2 · Jul 10, 2018 · US
Grain-oriented electrical steel sheet and method of manufacturing same
US-9984800-B2 · May 29, 2018 · US
Method for forming linear groove on cold rolled steel strip and method for manufacturing grain-oriented electrical steel sheet
US-2018119242-A1 · May 3, 2018 · US
Method for forming linear groove on steel strip and method for manufacturing grain-oriented electrical steel sheet
US-2018057956-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D8/1294?
- CPC C21D8/1294 is the Cooperative Patent Classification code for “involving a localised treatment.”
- How many patents are filed under CPC C21D8/1294 (involving a localised treatment)?
- Our database includes 223 publications tagged with this CPC code.
- Is patent activity under CPC C21D8/1294 growing?
- Publication counts under this code: 31 in 2024 vs 26 in 2025 (latest complete years).