Disconnection of a string carrying direct current power
US-12295184-B2 · May 6, 2025 · US
with means responsive to DC component in the fault current
with means responsive to DC component in the fault current · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/332 |
| Official title | {with means responsive to DC component in the fault current} |
| Display label | with means responsive to DC component in the fault current |
| Total patents | 38 |
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 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photovoltaic power generation system and method
US-12136808-B2 · Nov 5, 2024 · US
Disconnection of a string carrying direct current power
US-11996488-B2 · May 28, 2024 · US
Protection system for aircraft electric propulsion motor and motor controller
US-11878594-B2 · Jan 23, 2024 · US
Electric circuit arrangement and a method for a galvanically insulated, AC/DC sensitive differential-current measurement having high resolution
US-11573250-B2 · Feb 7, 2023 · US
Protection System for Aircraft Electric Propulsion Motor and Motor Controller
US-2022402364-A1 · Dec 22, 2022 · US
Photovoltaic power generation system and method
US-2022216690-A1 · Jul 7, 2022 · US
Disconnection of a String Carrying Direct Current Power
US-2022200273-A1 · Jun 23, 2022 · US
Earth leakage circuit breaker
US-11307265-B2 · Apr 19, 2022 · US
Disconnection of a string carrying direct current power
US-11271394-B2 · Mar 8, 2022 · US
Electric circuit arrangement and a method for a galvanically insulated, ac/dc sensitive differential-current measurement having high resolution
US-2021318359-A1 · Oct 14, 2021 · US
Earth leakage circuit breaker
US-2021035764-A1 · Feb 4, 2021 · US
Apparatus and method for DC-component-based fault classification of three-phase distribution power cables with magnetic sensing
US-10852359-B2 · Dec 1, 2020 · US
Charging station having differential current monitoring for charging an electric energy storage means of an electric vehicle
US-10759297-B2 · Sep 1, 2020 · US
Inverter for a photovoltaic plant
US-2020144963-A1 · May 7, 2020 · US
Method and device for detecting a direct-current fault current
US-10640000-B2 · May 5, 2020 · US
Control circuit configured to determine when a direct current component in an alternating current power line passes a designated threshold
US-10608440-B2 · Mar 31, 2020 · US
Power switch
US-2019385806-A1 · Dec 19, 2019 · US
Safety detection device and method of grid-connected inverter
US-10505370-B2 · Dec 10, 2019 · US
Trip control circuit for circuit breaker
US-10483751-B2 · Nov 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H3/332?
- CPC H02H3/332 is the Cooperative Patent Classification code for “with means responsive to DC component in the fault current.”
- How many patents are filed under CPC H02H3/332 (with means responsive to DC component in the fault current)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC H02H3/332 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).