Current differential protection method for self-adaptive half-wavelength line based on time-difference method
US-2018375322-A1 · Dec 27, 2018 · US
involving transmissions of measured values (comparison of currents or voltages using pilot wires H02H3/30)
involving transmissions of measured values (comparison of currents or voltages using pilot wires H02H3/30) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H7/263 |
| Official title | {involving transmissions of measured values (comparison of currents or voltages using pilot wires H02H3/30)} |
| Display label | involving transmissions of measured values (comparison of currents or voltages using pilot wires H02H3/30) |
| Total patents | 255 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 17 |
| 2017 | 11 |
| 2018 | 27 |
| 2019 | 25 |
| 2020 | 34 |
| 2021 | 36 |
| 2022 | 28 |
| 2023 | 28 |
| 2024 | 17 |
| 2025 | 15 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power management and fault detection system
US-2018342863-A1 · Nov 29, 2018 · US
Disconnect switch status in a power distribution system
US-2018316186-A1 · Nov 1, 2018 · US
Method and System for Protection in a Mixed Line
US-2018316183-A1 · Nov 1, 2018 · US
Power system disturbance detection using power and frequency
US-2018316175-A1 · Nov 1, 2018 · US
Protective relaying system and method for gathering data using thereof
US-10101366-B2 · Oct 16, 2018 · US
Time-domain line differential protection of electric power delivery systems
US-2018292448-A1 · Oct 11, 2018 · US
Electronic protection device
US-2018287368-A1 · Oct 4, 2018 · US
Securing against malicious control of circuit breakers in electrical substations
US-10079486-B2 · Sep 18, 2018 · US
Travelling wave protection of a transmission line
US-10074969-B2 · Sep 11, 2018 · US
Power distribution systems and methods of performing ground fault detection in power distribution systems with a communication network
US-2018241192-A1 · Aug 23, 2018 · US
Time-domain differential line protection of electric power delivery systems
US-2018212421-A1 · Jul 26, 2018 · US
Linear electromagnetic device
US-10033178-B2 · Jul 24, 2018 · US
Overcurrent protection device and method
US-10027105-B2 · Jul 17, 2018 · US
Circuit protection system
US-2018175605-A1 · Jun 21, 2018 · US
Circuit breaker for an electrical circuit
US-9991079-B2 · Jun 5, 2018 · US
Junction box and network for distributing energy
US-2018097349-A1 · Apr 5, 2018 · US
Method and apparatus for controlling a circuit breaker in an electrical energy supply network
US-2018082816-A1 · Mar 22, 2018 · US
Time-domain line differential protection of electric power delivery systems
US-2018083437-A1 · Mar 22, 2018 · US
System and method for control of power distribution
US-9917436-B2 · Mar 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H7/263?
- CPC H02H7/263 is the Cooperative Patent Classification code for “involving transmissions of measured values (comparison of currents or voltages using pilot wires H02H3/30).”
- How many patents are filed under CPC H02H7/263 (involving transmissions of measured values (comparison of currents or voltages using pilot wires H02H3/30))?
- Our database includes 255 publications tagged with this CPC code.
- Is patent activity under CPC H02H7/263 growing?
- Publication counts under this code: 17 in 2024 vs 15 in 2025 (latest complete years).