Induction motors including speed sensing circuits for motor control
US-12244188-B2 · Mar 4, 2025 · US
Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors
Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K17/08 |
| Official title | Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors |
| Display label | Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors |
| Total patents | 28 |
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 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laundry appliance utilizing a permanent split capacitor motor having a sensor for providing temperature control within the appliance
US-11773530-B2 · Oct 3, 2023 · US
Fastener driving tool
US-11738429-B2 · Aug 29, 2023 · US
Electric motor and compressor having electric motor
US-11735989-B2 · Aug 22, 2023 · US
Turbomachine
US-11668322-B2 · Jun 6, 2023 · US
Induction Motors Including Speed Sensing Circuits For Motor Control
US-2022345015-A1 · Oct 27, 2022 · US
Laundry appliance utilizing a permanent split capacitor motor having a sensor for providing temperature control within the appliance
US-2021262151-A1 · Aug 26, 2021 · US
Electric motor and compressor having electric motor
US-2021218323-A1 · Jul 15, 2021 · US
Electric hoisting machine
US-11059705-B2 · Jul 13, 2021 · US
Fastener driving tool
US-2021197351-A1 · Jul 1, 2021 · US
Laundry appliance utilizing a permanent split capacitor motor having a sensor for providing temperature control within the appliance
US-11035074-B2 · Jun 15, 2021 · US
PSC motor having multiple pole configurations for use in at least two different air moving devices
US-10868460-B2 · Dec 15, 2020 · US
Laundry appliance utilizing a permanent split capacitor motor having a sensor for providing temperature control within the appliance
US-2020347542-A1 · Nov 5, 2020 · US
Electric hoisting machine
US-2020087124-A1 · Mar 19, 2020 · US
Induction motor with series connected windings for multi-speed operation
US-10536062-B2 · Jan 14, 2020 · US
Wire connecting structure and wire connecting method of three-phase motor, and three-phase motor
US-10523137-B2 · Dec 31, 2019 · US
Psc motor having multiple pole configurations for use in at least two different air moving devices
US-2019280579-A1 · Sep 12, 2019 · US
Segmental stator, electric motor having the same, and household appliance
US-10404122-B2 · Sep 3, 2019 · US
Wire connecting structure and wire connecting method of three-phase motor, and three-phase motor
US-2019006963-A1 · Jan 3, 2019 · US
Single-phase induction motor, hermetic compressor, and refrigeration cycle device
US-10110101-B2 · Oct 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K17/08?
- CPC H02K17/08 is the Cooperative Patent Classification code for “Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors.”
- How many patents are filed under CPC H02K17/08 (Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC H02K17/08 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2025 (latest complete years).