Stator with closed slots with a fluid injection cooling system for an electric machine and electric machine comprising said stator
US-2024063667-A1 · Feb 22, 2024 · US
Wound cores
Wound cores · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K15/026 |
| Official title | Wound cores |
| Display label | Wound cores |
| Total patents | 305 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 22 |
| 2018 | 24 |
| 2019 | 31 |
| 2020 | 28 |
| 2021 | 27 |
| 2022 | 15 |
| 2023 | 42 |
| 2024 | 51 |
| 2025 | 33 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated stator module for an electric motor
US-2018375410-A1 · Dec 27, 2018 · US
Stator and rotary electric machine
US-2018351435-A1 · Dec 6, 2018 · US
Slot liner forming apparatus, method, and system
US-2018301963-A1 · Oct 18, 2018 · US
Stator assembly method and stator assembly apparatus
US-10084363-B2 · Sep 25, 2018 · US
System and method for generator braking using laminated brake components
US-2018241297-A1 · Aug 23, 2018 · US
Motor and method for manufacturing motor
US-2018241261-A1 · Aug 23, 2018 · US
Core for rotary electric machine and method of manufacturing the same
US-2018233997-A1 · Aug 16, 2018 · US
Method for manufacturing an integrated stator and housing for an electrical machine
US-2018205285-A1 · Jul 19, 2018 · US
Laminated core manufacturing device and laminated core manufacturing method
US-2018178267-A1 · Jun 28, 2018 · US
Manufacturing method of rotary electric machine and rotary electric machine
US-2018145569-A1 · May 24, 2018 · US
Motor and method of manufacturing motor
US-2018123433-A1 · May 3, 2018 · US
Laminated core
US-9935505-B2 · Apr 3, 2018 · US
Method for manufacturing band-shaped stator core sheets
US-9935530-B2 · Apr 3, 2018 · US
Electric Motor And Armature thereof
US-2018083517-A1 · Mar 22, 2018 · US
Linear motor system with powered curvilinear track sections
US-9923444-B2 · Mar 20, 2018 · US
Method for producing a round stator and rolling device
US-9882457-B2 · Jan 30, 2018 · US
Armature and rotating electric machine
US-2018006512-A1 · Jan 4, 2018 · US
Continuous radially inserted stator winding
US-2017317565-A1 · Nov 2, 2017 · US
Permanent magnet motor and driving apparatus-integrated permanent magnet motor
US-9800100-B2 · Oct 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K15/026?
- CPC H02K15/026 is the Cooperative Patent Classification code for “Wound cores.”
- How many patents are filed under CPC H02K15/026 (Wound cores)?
- Our database includes 305 publications tagged with this CPC code.
- Is patent activity under CPC H02K15/026 growing?
- Publication counts under this code: 51 in 2024 vs 33 in 2025 (latest complete years).