Electrical steel sheet with structured surface for domain refining
US-12165804-B2 · Dec 10, 2024 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/024 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 88 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 12 |
| 2023 | 14 |
| 2024 | 17 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multilayer magnetic sheet
US-12076960-B2 · Sep 3, 2024 · US
Soft magnetic ribbon for magnetic core, magnetic core, coil unit, and wireless power transmission unit
US-11990271-B2 · May 21, 2024 · US
Grain-oriented electrical steel sheet, and magnetic domain refining method therefor
US-2024024985-A1 · Jan 25, 2024 · US
Wound core
US-2023402220-A1 · Dec 14, 2023 · US
Wound core, method of producing wound core and wound core production device
US-2023402221-A1 · Dec 14, 2023 · US
Wound core
US-2023395301-A1 · Dec 7, 2023 · US
Wound core, method of producing wound core and wound core production device
US-2023395319-A1 · Dec 7, 2023 · US
Method and device for producing wound core
US-2023386740-A1 · Nov 30, 2023 · US
Magnetic sheet, multilayer magnetic sheet, and method for manufacturing magnetic sheet
US-2023360837-A1 · Nov 9, 2023 · US
Multilayer magnetic sheet
US-2023326644-A1 · Oct 12, 2023 · US
Multilayer magnetic sheet
US-2023321950-A1 · Oct 12, 2023 · US
Multilayer magnetic sheet
US-2023302770-A1 · Sep 28, 2023 · US
Magnetic sheet, wound magnetic sheet, and multilayer magnetic sheet
US-2023307162-A1 · Sep 28, 2023 · US
Wound core, method of producing wound core and wound core production device
US-2023298800-A1 · Sep 21, 2023 · US
Wound core, method of producing wound core and wound core production device
US-2023290569-A1 · Sep 14, 2023 · US
Wound core and method for producing same
US-11742140-B2 · Aug 29, 2023 · US
Motor
US-11557431-B2 · Jan 17, 2023 · US
Metal laminate and manufacturing method of metal laminate
US-11472169-B2 · Oct 18, 2022 · US
Production method for nanocrystalline alloy ribbon having resin film
US-2022293313-A1 · Sep 15, 2022 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/024?
- CPC H01F41/024 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01F41/024 (Electricity)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/024 growing?
- Publication counts under this code: 17 in 2024 vs 12 in 2025 (latest complete years).