Lead frame for electrical contact of a stator
US-2025309724-A1 · Oct 2, 2025 · US
by laying conductors into slotted rotors
by laying conductors into slotted rotors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K15/09 |
| Official title | by laying conductors into slotted rotors |
| Display label | by laying conductors into slotted rotors |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-conductivity windings for electric machines
US-12374946-B2 · Jul 29, 2025 · US
Multi-conductivity windings for electric machines
US-2024372425-A1 · Nov 7, 2024 · US
Stator and motor comprising same
US-2024213822-A1 · Jun 27, 2024 · US
Method for winding an electric machine rotor
US-12003153-B2 · Jun 4, 2024 · US
System and method to protect a prefinished rotor journal of a rotor during a manufacturing process
US-2024167506-A1 · May 23, 2024 · US
Method for producing a rotor for an electric machine
US-2024154506-A1 · May 9, 2024 · US
Stator and motor comprising same
US-11955840-B2 · Apr 9, 2024 · US
Electric machine rotor and method of forming
US-2023336060-A1 · Oct 19, 2023 · US
Star disk for a rotor of an externally excited synchronous machine
US-11757319-B2 · Sep 12, 2023 · US
Electric machine rotor and method of forming
US-11735985-B2 · Aug 22, 2023 · US
Electromagnetic pole for a rotary electric machine and rotor and rotary electric machine comprising such an electromagnetic pole
US-2023208234-A1 · Jun 29, 2023 · US
Magnetizing yoke and manufacturing method thereof
US-11621593-B2 · Apr 4, 2023 · US
Method for winding an electric machine rotor
US-2023073798-A1 · Mar 9, 2023 · US
Rotor and method for producing a rotor
US-11368074-B2 · Jun 21, 2022 · US
Electric machine rotor and method of forming
US-2022045584-A1 · Feb 10, 2022 · US
Magnetizing yoke and manufacturing method thereof
US-2022037938-A1 · Feb 3, 2022 · US
Star disk for a rotor of an externally excited synchronous machine
US-2021359561-A1 · Nov 18, 2021 · US
Method for producing a cage rotor
US-11121609-B2 · Sep 14, 2021 · US
Stator and motor comprising same
US-2021234413-A1 · Jul 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K15/09?
- CPC H02K15/09 is the Cooperative Patent Classification code for “by laying conductors into slotted rotors.”
- How many patents are filed under CPC H02K15/09 (by laying conductors into slotted rotors)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC H02K15/09 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).