Systems and methods for an adaptive power system stabilizer (pss)
US-2024146221-A1 · May 2, 2024 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P9/04 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 626 |
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 | 86 |
| 2016 | 59 |
| 2017 | 79 |
| 2018 | 72 |
| 2019 | 88 |
| 2020 | 62 |
| 2021 | 59 |
| 2022 | 34 |
| 2023 | 27 |
| 2024 | 33 |
| 2025 | 20 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly
US-2024113642-A1 · Apr 4, 2024 · US
Vehicle power generation mode control method
US-9221456-B2 · Dec 29, 2015 · US
Thermal power generation apparatus and thermal power generation system
US-2015364910-A1 · Dec 17, 2015 · US
Alternator overvoltage protection circuit
US-9197151-B2 · Nov 24, 2015 · US
Vehicle control device
US-9194488-B2 · Nov 24, 2015 · US
Vehicular charging system
US-9197150-B2 · Nov 24, 2015 · US
Converter and operating method thereof
US-2015333678-A1 · Nov 19, 2015 · US
System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions
US-9190944-B2 · Nov 17, 2015 · US
Power regenerative converter and power conversion apparatus
US-9190935-B2 · Nov 17, 2015 · US
Electric power generation control device and electric power generation control system
US-9184686-B2 · Nov 10, 2015 · US
Vehicle and control method for vehicle
US-2015318809-A1 · Nov 5, 2015 · US
Power generation system, power generation method
US-2015318763-A1 · Nov 5, 2015 · US
Method For Regulating A Generator Set
US-2015315989-A1 · Nov 5, 2015 · US
Power generation system and power generation method
US-2015318810-A1 · Nov 5, 2015 · US
Method of loadshedding for a variable speed, constant frequency generator
US-2015311843-A1 · Oct 29, 2015 · US
Regenerative energy system
US-9168821-B1 · Oct 27, 2015 · US
Method for operating a wind farm, wind farm controller and wind farm
US-9166509-B2 · Oct 20, 2015 · US
Power generator power generation facility
US-9163546-B2 · Oct 20, 2015 · US
Electric unit for a pump-storage power plant
US-2015292469-A1 · Oct 15, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P9/04?
- CPC H02P9/04 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H02P9/04 (Electricity)?
- Our database includes 626 publications tagged with this CPC code.
- Is patent activity under CPC H02P9/04 growing?
- Publication counts under this code: 33 in 2024 vs 20 in 2025 (latest complete years).