Electrical steel sheet and method for manufacturing same
US-12163066-B2 · Dec 10, 2024 · US
with insulating coating
with insulating coating · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/18 |
| Official title | with insulating coating |
| Display label | with insulating coating |
| Total patents | 478 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 22 |
| 2017 | 12 |
| 2018 | 31 |
| 2019 | 28 |
| 2020 | 41 |
| 2021 | 43 |
| 2022 | 83 |
| 2023 | 37 |
| 2024 | 85 |
| 2025 | 70 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing grain-oriented electrical steel sheet
US-2024271254-A1 · Aug 15, 2024 · US
Grain-oriented electrical steel sheet and decarburized steel sheet used for manufacturing the same
US-2018305784-A1 · Oct 25, 2018 · US
Methods for manufacturing high temperature laminated stator cores
US-10097054-B2 · Oct 9, 2018 · US
Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating
US-10087529-B2 · Oct 2, 2018 · US
Electrical steel sheet with insulating coating
US-2018251869-A1 · Sep 6, 2018 · US
Insulative coating processing liquid and method for manufacturing metal having insulative coating
US-2018251899-A1 · Sep 6, 2018 · US
Grain-oriented electrical steel sheet and method for improving iron loss properties thereof
US-10062483-B2 · Aug 28, 2018 · US
Grain-oriented electrical steel sheet and manufacturing method thereof
US-10011886-B2 · Jul 3, 2018 · US
Magnetic steel sheet having a layer improving the electrical insulation and method for the production thereof
US-9959959-B2 · May 1, 2018 · US
Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet
US-9953752-B2 · Apr 24, 2018 · US
Grain-oriented electrical steel sheet
US-9875832-B2 · Jan 23, 2018 · US
Soft magnetic laminated core and method of producing a laminated core for a stator and/or rotor of an electric machine
US-2017346351-A1 · Nov 30, 2017 · US
Composite sheet for shielding magnetic field and electromagnetic wave, and antenna module comprising same
US-9812774-B2 · Nov 7, 2017 · US
Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core
US-2017240987-A1 · Aug 24, 2017 · US
Pre-coating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet comprising same, and manufacturing method therefor
US-2017233871-A1 · Aug 17, 2017 · US
Grain-oriented electrical steel sheet causing low core loss and low magnetostriction
US-2017182591-A1 · Jun 29, 2017 · US
Electrical steel sheet provided with insulating coating
US-2017162295-A1 · Jun 8, 2017 · US
Laser processing apparatus
US-2017157706-A1 · Jun 8, 2017 · US
Coating process with self-crosslinkable composition for electrical steel sheet
US-9657192-B2 · May 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/18?
- CPC H01F1/18 is the Cooperative Patent Classification code for “with insulating coating.”
- How many patents are filed under CPC H01F1/18 (with insulating coating)?
- Our database includes 478 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/18 growing?
- Publication counts under this code: 85 in 2024 vs 70 in 2025 (latest complete years).