Arc fault detection using single current sensor and wideband analog frontend
US-2019386478-A1 · Dec 19, 2019 · US
operated by earth fault currents (H01H83/14 takes precedence)
operated by earth fault currents (H01H83/14 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 | H01H83/02 |
| Official title | operated by earth fault currents (H01H83/14 takes precedence) |
| Display label | operated by earth fault currents (H01H83/14 takes precedence) |
| Total patents | 114 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 13 |
| 2017 | 7 |
| 2018 | 16 |
| 2019 | 14 |
| 2020 | 12 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrical switching apparatus and method of manufacturing same
US-10395871-B1 · Aug 27, 2019 · US
Protective Wiring Device
US-2019252873-A1 · Aug 15, 2019 · US
Hazardous voltage interlock loop system
US-2019184835-A1 · Jun 20, 2019 · US
Earth leakage circuit breaker
US-2019173272-A1 · Jun 6, 2019 · US
Circuit interrupter with audible indication and method of operating a circuit interrupter
US-2019164712-A1 · May 30, 2019 · US
Circuit breakers with plug-on neutral connection to load center neutral bar and related load centers and methods
US-10290450-B1 · May 14, 2019 · US
Ground fault modules and related circuit interrupters and methods
US-2019109452-A1 · Apr 11, 2019 · US
Self-test GFCI device with dual solenoid coil electronic control
US-10236151-B2 · Mar 19, 2019 · US
Ground fault circuit interrupter (GFCI) system and method
US-10229804-B2 · Mar 12, 2019 · US
Device and method for protecting against leakage currents
US-10224711-B2 · Mar 5, 2019 · US
Self-test gfci device with dual solenoid coil electronic control
US-2018366292-A1 · Dec 20, 2018 · US
Method to detect arcing faults using switched elements at outlet
US-10114057-B2 · Oct 30, 2018 · US
Annunciating or power vending circuit breaker for an electric load
US-2018269013-A1 · Sep 20, 2018 · US
Modular ground fault protective relay and protection module therefor
US-2018261994-A1 · Sep 13, 2018 · US
Connection circuit of interconnect device
US-2018248358-A1 · Aug 30, 2018 · US
Self-test GFCI device with dual solenoid coil electric control
US-10062535-B2 · Aug 28, 2018 · US
Residual current circuit breaker
US-10056212-B2 · Aug 21, 2018 · US
Apparatus and methods for monitoring and responding to power supply and/or detection circuit failures within an electronic circuit breaker
US-2018131174-A1 · May 10, 2018 · US
Circuit breakers with integrated safety, control, monitoring, and protection features
US-9966206-B1 · May 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H83/02?
- CPC H01H83/02 is the Cooperative Patent Classification code for “operated by earth fault currents (H01H83/14 takes precedence).”
- How many patents are filed under CPC H01H83/02 (operated by earth fault currents (H01H83/14 takes precedence))?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC H01H83/02 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).