Fuel cell system
US-12580211-B2 · Mar 17, 2026 · US
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (using simulators of the apparatus being protected H02H6/00; specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00)
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (using simulators of the apparatus being protected H02H6/00; specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H5/00 |
| Official title | Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (using simulators of the apparatus being protected H02H6/00; specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00) |
| Display label | Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (using simulators of the apparatus being protected H02H6/00; specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00) |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 12 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
DC household appliance with a switching circuit
US-12549101-B2 · Feb 10, 2026 · US
Residual voltage controller and electric compressor including the same
US-12535072-B2 · Jan 27, 2026 · US
Monitoring device for a converter of a rail vehicle
US-2025229635-A1 · Jul 17, 2025 · US
Residual voltage controller and electric compressor including the same
US-2025003409-A1 · Jan 2, 2025 · US
Device and method of ensuring power delivery in universal serial bus interface
US-12009621-B2 · Jun 11, 2024 · US
Systems and methods for liquid presentation detection
US-11923675-B2 · Mar 5, 2024 · US
System for in-situ detection of electrical faults
US-11888306-B1 · Jan 30, 2024 · US
Technology to resolve connector damage due to arcing
US-2024006873-A1 · Jan 4, 2024 · US
Dc household appliance with a switching circuit
US-2023283181-A1 · Sep 7, 2023 · US
Systems and methods for liquid presentation detection
US-2023198243-A1 · Jun 22, 2023 · US
Protection circuit and photovoltaic system
US-11621552-B2 · Apr 4, 2023 · US
Power distribution assembly having a fault detection system
US-11588320-B2 · Feb 21, 2023 · US
Fuel cell system
US-2022416279-A1 · Dec 29, 2022 · US
Photovoltaic direct-current breaking apparatus
US-11539326-B2 · Dec 27, 2022 · US
Automatic electrical shut-off device
US-11454937-B2 · Sep 27, 2022 · US
Device and method of ensuring power delivery in universal serial bus interface
US-2022263278-A1 · Aug 18, 2022 · US
Active/passive fuse module
US-11387068-B2 · Jul 12, 2022 · US
Protection circuit and photovoltaic system
US-2022181870-A1 · Jun 9, 2022 · US
Set of electrical protection devices with two levels that are connected in series
US-11342742-B2 · May 24, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H5/00?
- CPC H02H5/00 is the Cooperative Patent Classification code for “Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (using simulators of the apparatus being protected H02H6/00; specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00).”
- How many patents are filed under CPC H02H5/00 (Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (using simulators of the apparatus being protected H02H6/00; specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00))?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC H02H5/00 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).