Electromagnetic material and inductance for low temperatures
US-12424361-B2 · Sep 23, 2025 · US
from liquids
from liquids · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/24 |
| Official title | from liquids |
| Display label | from liquids |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetically anisotropic binder-free films containing discrete hexaferrite nanoplatelets
US-12272475-B2 · Apr 8, 2025 · US
Voltage-isolated integrated circuit packages with planar transformers
US-2025022646-A1 · Jan 16, 2025 · US
Inductor built-in substrate
US-12125626-B2 · Oct 22, 2024 · US
Inductor built-in substrate and method for manufacturing inductor built-in substrate
US-12020843-B2 · Jun 25, 2024 · US
Aluminum alloy disc blank for magnetic disc and magnetic disc
US-2024018633-A1 · Jan 18, 2024 · US
Integrated electronic device comprising a coil and method for manufacturing such a device
US-11875935-B2 · Jan 16, 2024 · US
Metal magnetic film and magnetic sheet
US-11765874-B2 · Sep 19, 2023 · US
Method and apparatus for designing a magnetic plate
US-11651114-B2 · May 16, 2023 · US
Magnetically anisotropic binder-free films containing discrete hexaferrite nanoplatelets
US-2022351885-A1 · Nov 3, 2022 · US
Electromagnetic material and inductance for low temperatures
US-2022181053-A1 · Jun 9, 2022 · US
Magnetic surfaces and uses thereof
US-11302467-B2 · Apr 12, 2022 · US
Magnetically anisotropic binder-free films containing discrete hexaferrite nanoplatelets
US-11295882-B1 · Apr 5, 2022 · US
Electrostatically driven assembly of nanoparticle materials into dense films
US-11219919-B1 · Jan 11, 2022 · US
Electrolessly formed high resistivity magnetic materials
US-11152144-B2 · Oct 19, 2021 · US
Inductor built-in substrate
US-2021183562-A1 · Jun 17, 2021 · US
Integrated electronic device comprising a coil and method for manufacturing such a device
US-2021159012-A1 · May 27, 2021 · US
Inductor built-in substrate and method for manufacturing inductor built-in substrate
US-2021159010-A1 · May 27, 2021 · US
High resistivity soft magnetic material for miniaturized power converter
US-10971576-B2 · Apr 6, 2021 · US
Electromagnetic device having layered magnetic material components and methods for making same
US-10937586-B2 · Mar 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/24?
- CPC H01F41/24 is the Cooperative Patent Classification code for “from liquids.”
- How many patents are filed under CPC H01F41/24 (from liquids)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/24 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).