Electric motor
US-10615650-B2 · Apr 7, 2020 · US
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having wave or undulating windings
having wave or undulating 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 | H02K23/32 |
| Official title | having wave or undulating windings |
| Display label | having wave or undulating windings |
| Total patents | 15 |
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 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric motor
US-10404112-B2 · Sep 3, 2019 · US
Wave winding having a low cogging torque, stator and electric machine comprising a wave winding of said type
US-10320255-B2 · Jun 11, 2019 · US
Direct current motor
US-10170954-B2 · Jan 1, 2019 · US
Electric motor
US-2018351423-A1 · Dec 6, 2018 · US
Electric motor
US-10075031-B2 · Sep 11, 2018 · US
Electric motor
US-2018041078-A1 · Feb 8, 2018 · US
Electric motor
US-9831728-B2 · Nov 28, 2017 · US
Wave Winding Having A Low Cogging Torque, Stator And Electric Machine Comprising A Wave Winding Of Said Type
US-2017324294-A1 · Nov 9, 2017 · US
Direct Current Motor
US-2016352171-A1 · Dec 1, 2016 · US
Electrical machine comprising rotor provided with winding facilitating switching, and associated starter
US-9350208-B2 · May 24, 2016 · US
Electric motor
US-2016065012-A1 · Mar 3, 2016 · US
Electric motor
US-9209672-B2 · Dec 8, 2015 · US
Stator of rotary electric machine
US-9203289-B2 · Dec 1, 2015 · US
Disk motor and electric power tool
US-8937423-B2 · Jan 20, 2015 · US