Rotor, stator and motor
US-10862380-B2 · Dec 8, 2020 · US
Annular coils, e.g. for cores of the claw-pole type
Annular coils, e.g. for cores of the claw-pole type · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K3/525 |
| Official title | {Annular coils, e.g. for cores of the claw-pole type} |
| Display label | Annular coils, e.g. for cores of the claw-pole type |
| Total patents | 130 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 13 |
| 2020 | 26 |
| 2021 | 11 |
| 2022 | 19 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stator for rotating electrical machine having components for reinforcing laminations
US-10855122-B2 · Dec 1, 2020 · US
Stator and electric motor equipped with stator
US-2020358324-A1 · Nov 12, 2020 · US
Insulating member and stator
US-10811921-B2 · Oct 20, 2020 · US
Stator and Electric Motor
US-2020295619-A1 · Sep 17, 2020 · US
Stator
US-2020259386-A1 · Aug 13, 2020 · US
Stator and stator coil
US-2020220417-A1 · Jul 9, 2020 · US
Rotor and motor
US-2020212739-A1 · Jul 2, 2020 · US
Electric motor and compressor provided with the same
US-10700566-B2 · Jun 30, 2020 · US
Polyphase claw pole motor and stator of the polyphase claw pole motor
US-10693329-B2 · Jun 23, 2020 · US
Motor
US-10651705-B2 · May 12, 2020 · US
Stator
US-2020127518-A1 · Apr 23, 2020 · US
Stator, method of manufacturing stator, motor, and air conditioning apparatus
US-10594184-B2 · Mar 17, 2020 · US
Stator for an electric motor
US-10581302-B2 · Mar 3, 2020 · US
Electric device
US-2020067366-A1 · Feb 27, 2020 · US
COIL DEVICE, AND MOTOR-DRIVEN VALVE AND SOLENOID VALVE INCLUDING SUCH A COIL DEVICE [As Amended]
US-2020043640-A1 · Feb 6, 2020 · US
Motor
US-2020006993-A1 · Jan 2, 2020 · US
Stator for rotating electrical machine
US-2019267854-A1 · Aug 29, 2019 · US
Terminal Connector Assembly for Vehicle Electric Machine
US-2019222091-A1 · Jul 18, 2019 · US
Electric motor with a dual rotor and a bobbin-less stator
US-2019222083-A1 · Jul 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K3/525?
- CPC H02K3/525 is the Cooperative Patent Classification code for “Annular coils, e.g. for cores of the claw-pole type.”
- How many patents are filed under CPC H02K3/525 (Annular coils, e.g. for cores of the claw-pole type)?
- Our database includes 130 publications tagged with this CPC code.
- Is patent activity under CPC H02K3/525 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).