Method for producing non-oriented electrical steel sheet
US-2018355454-A1 · Dec 13, 2018 · US
characterised by the heat treatment
characterised by the heat 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 | C21D8/1244 |
| Official title | characterised by the heat treatment |
| Display label | characterised by the heat treatment |
| Total patents | 312 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 14 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 19 |
| 2020 | 31 |
| 2021 | 27 |
| 2022 | 55 |
| 2023 | 28 |
| 2024 | 32 |
| 2025 | 43 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High silicon steel sheet having excellent productivity and magnetic properties and method for manufacturing same
US-10134513-B2 · Nov 20, 2018 · US
Method of manufacturing grain-oriented electrical steel sheet
US-2018282830-A1 · Oct 4, 2018 · US
Continuous annealing method for low coercive force cold-rolled electromagnetic pure iron plate and strip
US-2018265945-A1 · Sep 20, 2018 · US
Insulative coating processing liquid and method for manufacturing metal having insulative coating
US-2018251899-A1 · Sep 6, 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 electric steel sheet having superior magnetic property
US-9997283-B2 · Jun 12, 2018 · US
Non-oriented electrical steel sheet and manufacturing method thereof
US-9934894-B2 · Apr 3, 2018 · US
FeNi ALLOY COMPOSITION COMPRISING L10-TYPE FeNi ORDERED PHASE, METHOD OF MANUFACTURING FeNi ALLOY COMPOSITION COMPRISING L10-TYPE FeNi ORDERED PHASE, FeNi ALLOY COMPOSITION COMPRISING AMORPHOUS MAIN PHASE, MOTHER ALLOY OF AMORPHOUS MATERIAL, AMORPHOUS MATERIAL, MAGNETIC MATERIAL, AND METHOD OF MANUFACTURING MAGNETIC MATERIAL
US-2018044768-A1 · Feb 15, 2018 · US
Method for producing non-oriented electrical steel sheets
US-2018030558-A1 · Feb 1, 2018 · US
Grain-oriented electrical steel plate and production method therefor
US-2018010206-A1 · Jan 11, 2018 · US
Grain-oriented electrical steel sheet and manufacturing method therefor
US-2018002772-A1 · Jan 4, 2018 · US
Non-oriented electrical steel sheet and method for manufacturing the same
US-2017362676-A1 · Dec 21, 2017 · US
Method for manufacturing steel sheet for rotor core for IPM motor
US-9847168-B2 · Dec 19, 2017 · US
Method for manufacturing grain-oriented electrical steel sheet
US-2017321296-A1 · Nov 9, 2017 · US
Method of production of tin containing non grain-oriented silicon steel sheet , steel sheet obtained and use thereof
US-2017314087-A1 · Nov 2, 2017 · US
Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet
US-2017314090-A1 · Nov 2, 2017 · US
Low iron loss grain oriented electrical steel sheet and method for manufacturing the same
US-2017298467-A1 · Oct 19, 2017 · US
Two-phase alloy, product using said two-phase alloy, and method for producing said product
US-2017292175-A1 · Oct 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D8/1244?
- CPC C21D8/1244 is the Cooperative Patent Classification code for “characterised by the heat treatment.”
- How many patents are filed under CPC C21D8/1244 (characterised by the heat treatment)?
- Our database includes 312 publications tagged with this CPC code.
- Is patent activity under CPC C21D8/1244 growing?
- Publication counts under this code: 32 in 2024 vs 43 in 2025 (latest complete years).