Rotor assembly for an electric excited synchronous motor (eesm)
US-2024429783-A1 · Dec 26, 2024 · US
Rotor cores with slots for windings
Rotor cores with slots for windings · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K1/26 |
| Official title | Rotor cores with slots for windings |
| Display label | Rotor cores with slots for windings |
| Total patents | 368 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 19 |
| 2017 | 26 |
| 2018 | 28 |
| 2019 | 41 |
| 2020 | 43 |
| 2021 | 36 |
| 2022 | 41 |
| 2023 | 42 |
| 2024 | 29 |
| 2025 | 42 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wirelessly transferring power within an electric machine with actively rectified rotor windings
US-2024195269-A1 · Jun 13, 2024 · US
Wound rotor synchronous motor for vehicle
US-2017353092-A1 · Dec 7, 2017 · US
Permanent Magnet Motor and Home Appliance Having the Same
US-2017346350-A1 · Nov 30, 2017 · US
Electric motor's sectional rotor with asymmetric poles having permanent magnets
US-9831729-B2 · Nov 28, 2017 · US
Displacement devices and methods for fabrication, use and control of same
US-2017317569-A1 · Nov 2, 2017 · US
Basket-type rotor production method and basket-type rotor
US-9806589-B2 · Oct 31, 2017 · US
Motor slot wedge with sealing structure and combination device
US-2017310186-A1 · Oct 26, 2017 · US
Electric rotating machine and manufacturing method for electric rotating machine
US-2017310197-A1 · Oct 26, 2017 · US
Rotating electrical motor using transverse magnetic flux
US-9787144-B2 · Oct 10, 2017 · US
Endcap assembly for an electric motor and stator comprising same
US-2017244299-A1 · Aug 24, 2017 · US
Induction motor
US-2017237322-A1 · Aug 17, 2017 · US
Rotor Assembly Manufacturing Technique and Resultant Structure
US-2017229932-A1 · Aug 10, 2017 · US
Rotor with 2-step shaped slot and induction motor having the same
US-9729034-B2 · Aug 8, 2017 · US
Rotary electric machine capable of detecting malfunction in switch
US-9716456-B2 · Jul 25, 2017 · US
Concentric dual rotor electric machine
US-2017179800-A1 · Jun 22, 2017 · US
Field winding synchronous machine drive system
US-2017179864-A1 · Jun 22, 2017 · US
Displacement devices and methods for fabrication, use and control of same
US-9685849-B2 · Jun 20, 2017 · US
Electric Machine For High Speeds
US-2017149309-A1 · May 25, 2017 · US
Stator and BLDC Motor Having the Same
US-2017133894-A1 · May 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K1/26?
- CPC H02K1/26 is the Cooperative Patent Classification code for “Rotor cores with slots for windings.”
- How many patents are filed under CPC H02K1/26 (Rotor cores with slots for windings)?
- Our database includes 368 publications tagged with this CPC code.
- Is patent activity under CPC H02K1/26 growing?
- Publication counts under this code: 29 in 2024 vs 42 in 2025 (latest complete years).