Electric motor with shielded phase windings
US-11271510-B1 · Mar 8, 2022 · US
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with arrangements for controlling secondary impedance
with arrangements for controlling secondary impedance · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P25/26 |
| Official title | with arrangements for controlling secondary impedance |
| Display label | with arrangements for controlling secondary impedance |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor control device and motor control method
US-11251732-B2 · Feb 15, 2022 · US
Electronic control device and operation control method therefor
US-10970147-B2 · Apr 6, 2021 · US
Drive circuit for electric motors
US-10840830-B2 · Nov 17, 2020 · US
Motor control device and motor control method
US-2020136543-A1 · Apr 30, 2020 · US
Drive circuit for electric motors
US-2020044583-A1 · Feb 6, 2020 · US
Electric motor with shielded phase windings
US-10498280-B1 · Dec 3, 2019 · US
PSC motor having multiple speed and voltage configurations
US-10284130-B2 · May 7, 2019 · US
Electronic control device and operation control method therefor
US-2019073256-A1 · Mar 7, 2019 · US
Psc motor having multiple speed and voltage configurations
US-2018262147-A1 · Sep 13, 2018 · US
Methods and controllers for operation of electric motors
US-9935576-B1 · Apr 3, 2018 · US
Double wound rotor type motor with constant alternating current or direct current power supply input and control method thereof
US-9397590-B2 · Jul 19, 2016 · US
Variable speed induction motor with single external power supply and control method thereof
US-9257933-B2 · Feb 9, 2016 · US
Double wound rotor type motor with constant alternating current or direct current power supply input and control method thereof
US-2015145466-A1 · May 28, 2015 · US