Device for manufacturing permanent magnet
US-2026004969-A1 · Jan 1, 2026 · US
Radial anisotropy (for rotor or stator bodies H02K15/02)
Radial anisotropy (for rotor or stator bodies H02K15/02) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/028 |
| Official title | {Radial anisotropy (for rotor or stator bodies H02K15/02)} |
| Display label | Radial anisotropy (for rotor or stator bodies H02K15/02) |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for manufacturing permanent magnet
US-2025299877-A1 · Sep 25, 2025 · US
Motor rotor and motor
US-12388307-B2 · Aug 12, 2025 · US
Cylindrical bonded magnet, method of producing cylindrical bonded magnet, and mold for forming cylindrical bonded magnet
US-2025010369-A1 · Jan 9, 2025 · US
Electric machines using axially-magnetized curvilinear permanent magnets
US-2024429761-A1 · Dec 26, 2024 · US
Bond magnet and manufacturing method of the same
US-12073993-B2 · Aug 27, 2024 · US
Mold for and method of producing polar anisotropic ring-shaped bonded magnet molded articles
US-12040128-B2 · Jul 16, 2024 · US
Gradient ring-shaped bonded magnet and preparation method therefor, and motor
US-2024212898-A1 · Jun 27, 2024 · US
Rotor, electric motor, air blower, air conditioner, and method for fabricating rotor
US-11888368-B2 · Jan 30, 2024 · US
Mold for and method of producing polar anisotropic ring-shaped bonded magnet molded articles
US-2023245820-A1 · Aug 3, 2023 · US
Motor rotor and motor
US-2023163647-A1 · May 25, 2023 · US
Method of preparing molds for polar anisotropic ring-shaped bonded magnet molded articles
US-11651893-B2 · May 16, 2023 · US
Bond magnet and manufacturing method of the same
US-2022310295-A1 · Sep 29, 2022 · US
Rotor, electric motor, blower, air conditioner, and manufacturing method for rotor
US-2022239171-A1 · Jul 28, 2022 · US
Multipole magnet, method of producing, and sensor system comprising same
US-11276517-B2 · Mar 15, 2022 · US
Rotor, electric motor, air blower, air conditioner, and method for fabricating rotor
US-2022045589-A1 · Feb 10, 2022 · US
Rare-earth magnet and linear motor using same
US-11239014-B2 · Feb 1, 2022 · US
Method of manufacturing inductors in BEOL with particulate magnetic cores
US-10984948-B2 · Apr 20, 2021 · US
Sintered body for forming rare-earth permanent magnet and rotary electric machine having rare-earth permanent magnet
US-10867732-B2 · Dec 15, 2020 · US
Method for producing sintered body that forms rare-earth permanent magnet and has non-parallel easy magnetization axis orientation
US-10867729-B2 · Dec 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/028?
- CPC H01F41/028 is the Cooperative Patent Classification code for “Radial anisotropy (for rotor or stator bodies H02K15/02).”
- How many patents are filed under CPC H01F41/028 (Radial anisotropy (for rotor or stator bodies H02K15/02))?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/028 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).