Double-sided polishing or sanding member for attachment to a hand-guided power tool and power tool with such a polishing or sanding member
US-2021308824-A1 · Oct 7, 2021 · US
Magnetic circuits with PM for power or force generation
Magnetic circuits with PM for power or force generation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F7/0231 |
| Official title | {Magnetic circuits with PM for power or force generation} |
| Display label | Magnetic circuits with PM for power or force generation |
| Total patents | 120 |
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 | 6 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 15 |
| 2024 | 12 |
| 2025 | 18 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method utilizing an offset external magnet
US-2021296036-A1 · Sep 23, 2021 · US
Movement device composed of subassemblies
US-11081269-B2 · Aug 3, 2021 · US
System and method of controlling an electropermanent magnet at a trackpad
US-11023077-B2 · Jun 1, 2021 · US
System for generating a magnetic field
US-2021151232-A1 · May 20, 2021 · US
System and method of controlling an electropermanent magnet at a trackpad
US-2020401295-A1 · Dec 24, 2020 · US
System for generating a magnetic field
US-10847294-B2 · Nov 24, 2020 · US
Dynamically stabilized magnetic array
US-10824199-B2 · Nov 3, 2020 · US
State-of-charge indication method, device and terminal
US-2020321153-A1 · Oct 8, 2020 · US
Multicomponent magnet assemblies for electrical machines
US-2020312548-A1 · Oct 1, 2020 · US
Active suspension system with electropermanent magnets
US-10759246-B1 · Sep 1, 2020 · US
State-of-charge indication method, device and terminal
US-10734146-B2 · Aug 4, 2020 · US
Non-linear bi-stable buckled beam energy harvester using repulsive magnetic force for asymmetry compensation
US-10727394-B1 · Jul 28, 2020 · US
State-of-charge indication method, device and terminal
US-10672550-B2 · Jun 2, 2020 · US
Mount bush
US-2020109762-A1 · Apr 9, 2020 · US
Vacuum circuit interrupter with actuation having active damping
US-10580599-B1 · Mar 3, 2020 · US
Vacuum Circuit Interrupter with Actuation Having Active Damping
US-2020066468-A1 · Feb 27, 2020 · US
Movement Device Composed of Subassemblies
US-2020013530-A1 · Jan 9, 2020 · US
Electronic device including magnet
US-2019394894-A1 · Dec 26, 2019 · US
Electro-permanent magnet mooring system
US-2019385772-A1 · Dec 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F7/0231?
- CPC H01F7/0231 is the Cooperative Patent Classification code for “Magnetic circuits with PM for power or force generation.”
- How many patents are filed under CPC H01F7/0231 (Magnetic circuits with PM for power or force generation)?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC H01F7/0231 growing?
- Publication counts under this code: 12 in 2024 vs 18 in 2025 (latest complete years).