Electric apparatus and control method of electric apparatus
US-2025309798-A1 · Oct 2, 2025 · US
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using phase control (H02P7/295 takes precedence)
using phase control (H02P7/295 takes precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P7/293 |
| Official title | using phase control (H02P7/295 takes precedence) |
| Display label | using phase control (H02P7/295 takes precedence) |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric apparatus and control method of electric apparatus
US-2025309799-A1 · Oct 2, 2025 · US
Circuit arrangement for regulating a voltage, corresponding system and method
US-11990829-B2 · May 21, 2024 · US
Electromagnetic interference reducing circuit
US-11545894-B2 · Jan 3, 2023 · US
Circuit arrangement for regulating a voltage, corresponding system and method
US-2022311321-A1 · Sep 29, 2022 · US
Electromagnetic interference reducing circuit
US-2022115946-A1 · Apr 14, 2022 · US
Thyristor starter
US-11239769-B2 · Feb 1, 2022 · US
Thyristor starter
US-11233466-B2 · Jan 25, 2022 · US
Data storage device with spread spectrum spindle motor control
US-2021265930-A1 · Aug 26, 2021 · US
Data storage device with spread spectrum spindle motor control
US-11081988-B1 · Aug 3, 2021 · US
Thyristor starter
US-2021083602-A1 · Mar 18, 2021 · US
Thyristor starter
US-10951144-B2 · Mar 16, 2021 · US
Frequency and load balance compensated, gate firing phase shift delay line
US-10819260-B2 · Oct 27, 2020 · US
Automatic advance angle control system and method for brushless linear direct current motor
US-10804825-B2 · Oct 13, 2020 · US
Frequency and load balance compensated, gate firing phase shift delay line
US-2020186066-A1 · Jun 11, 2020 · US
Thyristor starter
US-2020177111-A1 · Jun 4, 2020 · US
Thyristor starter
US-2020076339-A1 · Mar 5, 2020 · US
Automatic Advance Angle Control System And Method For Brushless Linear Direct Current Motor
US-2019363653-A1 · Nov 28, 2019 · US
Three-phase motor controlling system for data storage device
US-10348220-B2 · Jul 9, 2019 · US
Motor driving device and motor system
US-2019006964-A1 · Jan 3, 2019 · US