Energy transfer element magnetized after assembly
US-2024347271-A1 · Oct 17, 2024 · US
Magnetic circuits with permanent magnets
Magnetic circuits with permanent magnets · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F2003/103 |
| Official title | {Magnetic circuits with permanent magnets} |
| Display label | Magnetic circuits with permanent magnets |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 14 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wireless Charging System with a Switchable Magnetic Core
US-2024296989-A1 · Sep 5, 2024 · US
Energy transfer element magnetized after assembly
US-2024296993-A1 · Sep 5, 2024 · US
Improved passive device, arrangement and electric circuit for limiting or reducing a current rise
US-2024290533-A1 · Aug 29, 2024 · US
Wireless charging system with a switchable magnetic core
US-12014857-B2 · Jun 18, 2024 · US
Magnetic component
US-2024177903-A1 · May 30, 2024 · US
Coil device
US-11948717-B2 · Apr 2, 2024 · US
Acoustic device
US-11943596-B2 · Mar 26, 2024 · US
A rotor topology for a permanent magnet machine
US-2024072582-A1 · Feb 29, 2024 · US
Sensor element and device for authenticating a data carrier having a spin resonance feature
US-2024045010-A1 · Feb 8, 2024 · US
Magnetic integrated device
US-2023360844-A1 · Nov 9, 2023 · US
Acoustic Device
US-2023199397-A1 · Jun 22, 2023 · US
Magnetic component, power conversion apparatus, and power conversion system
US-2023125248-A1 · Apr 27, 2023 · US
Coil component
US-11615909-B2 · Mar 28, 2023 · US
Localized high permeability magnetic regions in glass patch for enhanced power delivery
US-2023090759-A1 · Mar 23, 2023 · US
Method of producing motor core
US-11522420-B2 · Dec 6, 2022 · US
Energy transfer elements including unmagnetized magnetizable particles
US-2022208424-A1 · Jun 30, 2022 · US
Magnetic core with distributed gap and flux density offset
US-2022208447-A1 · Jun 30, 2022 · US
Energy transfer element magnetized after assembly
US-2022208446-A1 · Jun 30, 2022 · US
Magnetic core with hard ferromagnetic biasing layers and structures containing same
US-2022173035-A1 · Jun 2, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F2003/103?
- CPC H01F2003/103 is the Cooperative Patent Classification code for “Magnetic circuits with permanent magnets.”
- How many patents are filed under CPC H01F2003/103 (Magnetic circuits with permanent magnets)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC H01F2003/103 growing?
- Publication counts under this code: 14 in 2024 vs 11 in 2025 (latest complete years).