Tester for a frequency-dependent ground fault interrupt wiring device
US-2024426911-A1 · Dec 26, 2024 · US
Apparatus, systems or circuits therefor
Apparatus, systems or circuits therefor · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R31/3333 |
| Official title | {Apparatus, systems or circuits therefor} |
| Display label | Apparatus, systems or circuits therefor |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Monitoring system for a low voltage, medium voltage, or high voltage circuit breaker
US-12032024-B2 · Jul 9, 2024 · US
Detection circuit and detection method of electrical control device, and electric vehicle
US-12025666-B2 · Jul 2, 2024 · US
Monitoring system for a low voltage, medium voltage, or high voltage circuit breaker
US-12007442-B2 · Jun 11, 2024 · US
Tester for a frequency-dependent ground fault interrupt wiring device
US-11977118-B2 · May 7, 2024 · US
Method for testing capacitive current switching of a circuit breaker
US-11828803-B2 · Nov 28, 2023 · US
High current source for a test system for testing an electrical power devce, and test system
US-2023341476-A1 · Oct 26, 2023 · US
Arc fault detection using machine learning
US-2023053431-A1 · Feb 23, 2023 · US
Monitoring System for a Low Voltage, Medium Voltage, or High Voltage Circuit Breaker
US-2023035276-A1 · Feb 2, 2023 · US
Monitoring System for a Low Voltage, Medium Voltage, or High Voltage Circuit Breaker
US-2023033088-A1 · Feb 2, 2023 · US
Method and device for diagnosing wear of an electrical switching unit, and electrical unit comprising such a device
US-11404223-B2 · Aug 2, 2022 · US
Detection circuit and detection method of electrical control device, and electric vehicle
US-2022229112-A1 · Jul 21, 2022 · US
Predictive maintenance of protective devices using wireless line sensors and systems
US-11372045-B2 · Jun 28, 2022 · US
Arc detection circuit, breaker system, connection box system, power conditioner, micro inverter, DC optimizer, and arc detection method
US-11329471-B2 · May 10, 2022 · US
Method for testing capacitive current switching of a circuit breaker
US-2021286006-A1 · Sep 16, 2021 · US
Tester for a frequency-dependent ground fault interrupt wiring device
US-2021270901-A1 · Sep 2, 2021 · US
Predictive maintenance of protective devices using wireless line sensors and systems
US-2021231736-A1 · Jul 29, 2021 · US
Automatic transfer switch device health monitoring
US-11073560-B2 · Jul 27, 2021 · US
Arc detection circuit, breaker system, connection box system, power conditioner, micro inverter, dc optimizer, and arc detection method
US-2021194235-A1 · Jun 24, 2021 · US
Circuit interrupters with non-contact sensor systems for evaluating erosion of electrical contacts and related methods
US-11004619-B2 · May 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R31/3333?
- CPC G01R31/3333 is the Cooperative Patent Classification code for “Apparatus, systems or circuits therefor.”
- How many patents are filed under CPC G01R31/3333 (Apparatus, systems or circuits therefor)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC G01R31/3333 growing?
- Publication counts under this code: 6 in 2024 vs 9 in 2025 (latest complete years).