Charging Method and Related Device
US-2021391730-A1 · Dec 16, 2021 · US
responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/26 |
| Official title | responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents |
| Display label | responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 15 |
| 2021 | 15 |
| 2022 | 5 |
| 2023 | 13 |
| 2024 | 8 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Differential protection scheme
US-2021318393-A1 · Oct 14, 2021 · US
Downed conductor detection
US-11101631-B2 · Aug 24, 2021 · US
Devices for detecting an arc fault and associated arc-fault-protection units
US-2021184449-A1 · Jun 17, 2021 · US
Circuit interrupter installation and associated method
US-10992126-B2 · Apr 27, 2021 · US
Interface Control Circuit and Control Method Thereof
US-2021119438-A1 · Apr 22, 2021 · US
Apparatus to detect a fault in a wire
US-10983155-B2 · Apr 20, 2021 · US
Inductive Power Transfer Unit and a Method of Manufacturing an Inductive Power Transfer Unit
US-2021104885-A1 · Apr 8, 2021 · US
Space-limited protection module with at least two overvoltage protection elements in parallel current branches
US-10971916-B2 · Apr 6, 2021 · US
Method and apparatus for suppressing impact of compensator on line distance protection
US-10965114-B2 · Mar 30, 2021 · US
Usb type-c/pd controller having integrated vbus to cc short protection
US-2021044101-A1 · Feb 11, 2021 · US
USB type-C/PD controller having integrated VBUS to CC short protection
US-10855069-B2 · Dec 1, 2020 · US
Electrical protection apparatus with test button
US-10852355-B2 · Dec 1, 2020 · US
Methods and systems for open-phase detection in power transformers
US-10802084-B2 · Oct 13, 2020 · US
Charging Method and Related Device
US-2020244078-A1 · Jul 30, 2020 · US
Ground fault overvoltage relay device
US-10714924-B2 · Jul 14, 2020 · US
Current control device
US-2020208739-A1 · Jul 2, 2020 · US
Method And Apparatus For Suppressing Impact Of Compensator On Line Distance Protection
US-2020185901-A1 · Jun 11, 2020 · US
Distance protection of electric power delivery systems using time domain and frequency domain
US-10677834-B2 · Jun 9, 2020 · US
Arc fault detection system
US-10666036-B2 · May 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H3/26?
- CPC H02H3/26 is the Cooperative Patent Classification code for “responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents.”
- How many patents are filed under CPC H02H3/26 (responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC H02H3/26 growing?
- Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).