Dynamic on-resistance and threshold voltage instability evaluation circuit for power devices and operation method thereof
US-2025298068-A1 · Sep 25, 2025 · US
adapted for measuring in circuits having distributed constants
adapted for measuring in circuits having distributed constants · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R19/28 |
| Official title | adapted for measuring in circuits having distributed constants |
| Display label | adapted for measuring in circuits having distributed constants |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for suppressing grid voltage imbalance
US-12381491-B2 · Aug 5, 2025 · US
Medium voltage sensor using a multi-component resistive voltage divider
US-2025020704-A1 · Jan 16, 2025 · US
Medium voltage sensor using a multi-component resistive voltage divider
US-12140615-B2 · Nov 12, 2024 · US
Open-loop valley regulation for supply voltage modulation in power amplifier circuits
US-11870396-B2 · Jan 9, 2024 · US
Method and apparatus for suppressing grid voltage imbalance
US-2023369987-A1 · Nov 16, 2023 · US
Sensor device for measuring current in electrical circuit
US-11785708-B1 · Oct 10, 2023 · US
Method and device for identifying the location of a fault in an electrical power distribution network
US-11467200-B2 · Oct 11, 2022 · US
Medium voltage sensor using a multi-component resistive voltage divider
US-2022187346-A1 · Jun 16, 2022 · US
Method and device for identifying the location of a fault in an electrical power distribution network
US-2022074984-A1 · Mar 10, 2022 · US
Medium voltage sensor using a multi-component resistive voltage divider
US-11268991-B2 · Mar 8, 2022 · US
Open-loop valley regulation for supply voltage modulation in power amplifier circuits
US-2022069774-A1 · Mar 3, 2022 · US
Valley detection for supply voltage modulation in power amplifier circuits
US-11190141-B2 · Nov 30, 2021 · US
Current sensor for measuring alternating electromagnetic wave and a current breaker using the same
US-11092623-B2 · Aug 17, 2021 · US
Current detector and current meter
US-10942201-B2 · Mar 9, 2021 · US
Valley detection for supply voltage modulation in power amplifier circuits
US-10763790-B2 · Sep 1, 2020 · US
Current sensor for measuring alternating electromagnetic wave and a current breaker using the same
US-2020182913-A1 · Jun 11, 2020 · US
Sensor subsystems for non-contact voltage measurement devices
US-10605832-B2 · Mar 31, 2020 · US
Medium voltage sensor using a multi-component resistive voltage divider
US-2020041549-A1 · Feb 6, 2020 · US
Monitoring operating conditions of a transformer during major electromagnetic disturbances
US-10451660-B2 · Oct 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R19/28?
- CPC G01R19/28 is the Cooperative Patent Classification code for “adapted for measuring in circuits having distributed constants.”
- How many patents are filed under CPC G01R19/28 (adapted for measuring in circuits having distributed constants)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC G01R19/28 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).