Method and apparatus for suppressing grid voltage imbalance
US-12381491-B2 · Aug 5, 2025 · US
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in circuits having distributed constants (G01R21/09 takes precedence)
in circuits having distributed constants (G01R21/09 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R21/07 |
| Official title | in circuits having distributed constants (G01R21/09 takes precedence) |
| Display label | in circuits having distributed constants (G01R21/09 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 growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power detector and method for operating a power detector
US-2025189565-A1 · Jun 12, 2025 · US
Method and apparatus for suppressing grid voltage imbalance
US-2023369987-A1 · Nov 16, 2023 · US
Accurate determination of radio frequency power through digital inversion of sensor effects
US-2023341448-A1 · Oct 26, 2023 · US
Probe apparatus
US-11486900-B2 · Nov 1, 2022 · US
Resonant phase sensing of resistive-inductive-capacitive sensors
US-10908200-B2 · Feb 2, 2021 · US
Probe apparatus
US-2020158757-A1 · May 21, 2020 · US
Resonant phase sensing of resistive-inductive-capacitive sensors
US-2019302161-A1 · Oct 3, 2019 · US
Power detector
US-10082528-B2 · Sep 25, 2018 · US
Wireless charging performance measurement
US-10031165-B2 · Jul 24, 2018 · US
Cable power loss determination for virtual metrology
US-9927481-B2 · Mar 27, 2018 · US
Parameter derivation method
US-9846183-B2 · Dec 19, 2017 · US
Cable Power Loss Determination For Virtual Metrology
US-2017146581-A1 · May 25, 2017 · US
Power detection device, image forming apparatus, and power detection method
US-9652700-B2 · May 16, 2017 · US
System and method for a directional coupler with a combining circuit
US-9608305-B2 · Mar 28, 2017 · US
Cable power loss determination for virtual metrology
US-9594105-B2 · Mar 14, 2017 · US
Power detection device, image forming apparatus, and power detection method
US-2016371572-A1 · Dec 22, 2016 · US
Power detector
US-2016334444-A1 · Nov 17, 2016 · US
Parameter derivation method
US-2015285845-A1 · Oct 8, 2015 · US
System and Method for a Directional Coupler
US-2015200437-A1 · Jul 16, 2015 · US