Case including structure for supporting electronic device
US-2024065397-A1 · Feb 29, 2024 · US
Permanent magnets {[PM]}
Permanent magnets {[PM]} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F7/02 |
| Official title | Permanent magnets {[PM]} |
| Display label | Permanent magnets {[PM]} |
| Total patents | 972 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 53 |
| 2016 | 46 |
| 2017 | 67 |
| 2018 | 65 |
| 2019 | 68 |
| 2020 | 108 |
| 2021 | 108 |
| 2022 | 130 |
| 2023 | 106 |
| 2024 | 120 |
| 2025 | 83 |
| 2026 | 18 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic trap for cylindrical diamagnetic materials
US-2016276220-A1 · Sep 22, 2016 · US
Rare earth magnet, rotor and manufacturing method for rare earth magnet
US-9443653-B2 · Sep 13, 2016 · US
Balancer of washing machine
US-2016258102-A1 · Sep 8, 2016 · US
Tablet folio with multi-configurable and positional features
US-2016246327-A1 · Aug 25, 2016 · US
Magnet assembly
US-9368263-B2 · Jun 14, 2016 · US
R-t-b based sintered magnet
US-2016042847-A1 · Feb 11, 2016 · US
Permanent magnet, motor rotor or stator, rotary electric machine
US-9214846-B2 · Dec 15, 2015 · US
Stretchable conductive composites for use in soft devices
US-2015357078-A1 · Dec 10, 2015 · US
Magnetic decoupling unit for releasing antitheft devices
US-2015340142-A1 · Nov 26, 2015 · US
Tool bits with floating magnet sleeves
US-2015336246-A1 · Nov 26, 2015 · US
Magnetic material and method of manufacturing the same
US-2015332818-A1 · Nov 19, 2015 · US
Method for producing sintered ferrit magnet, and sintered ferrite magnet
US-2015332819-A1 · Nov 19, 2015 · US
HARD-SOFT MAGNETIC MnBi/SiO2/FeCo NANOPARTICLES
US-2015325346-A1 · Nov 12, 2015 · US
Non-reciprocal circuit element
US-2015311574-A1 · Oct 29, 2015 · US
Non-reciprocal circuit element
US-9172125-B1 · Oct 27, 2015 · US
Laundry treating apparatus
US-2015299928-A1 · Oct 22, 2015 · US
Fabrication method of rare earth-based sintered magnet
US-2015302961-A1 · Oct 22, 2015 · US
Method for producing sintered ferrite magnet, and sintered ferrite magnet
US-9162928-B2 · Oct 20, 2015 · US
Magnetic trap for cylindrical diamagnetic materials
US-2015287633-A1 · Oct 8, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F7/02?
- CPC H01F7/02 is the Cooperative Patent Classification code for “Permanent magnets {[PM]}.”
- How many patents are filed under CPC H01F7/02 (Permanent magnets {[PM]})?
- Our database includes 972 publications tagged with this CPC code.
- Is patent activity under CPC H01F7/02 growing?
- Publication counts under this code: 120 in 2024 vs 83 in 2025 (latest complete years).