Power generation system, method for controlling power generation system, and power generation apparatus
US-10879548-B2 · Dec 29, 2020 · US
Electric variables
Electric variables · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/04858 |
| Official title | Electric variables |
| Display label | Electric variables |
| Total patents | 141 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 17 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 15 |
| 2023 | 18 |
| 2024 | 17 |
| 2025 | 15 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for forecasting service life and remaining life of fuel cell
US-2020403254-A1 · Dec 24, 2020 · US
Vehicle power source system
US-2020227761-A1 · Jul 16, 2020 · US
Power generation apparatus, control apparatus, and control program
US-2020176797-A1 · Jun 4, 2020 · US
Fuel cell system
US-2020067118-A1 · Feb 27, 2020 · US
Power supply system and voltage control method of fuel cell
US-10553885-B2 · Feb 4, 2020 · US
Power supply apparatus, power supply system, and power supply method
US-10529999-B2 · Jan 7, 2020 · US
Parts arrangement structure of fuel cell electric vehicle
US-10525811-B2 · Jan 7, 2020 · US
Power control apparatus, fuel cell system, and method of calculating amount of used fuel gas
US-10522858-B2 · Dec 31, 2019 · US
Parts arrangement structure of fuel cell electric vehicle
US-2019375282-A1 · Dec 12, 2019 · US
Fuel cell apparatus, fuel cell system, and control method
US-10497956-B2 · Dec 3, 2019 · US
Stop control method for fuel cell system
US-2019288308-A1 · Sep 19, 2019 · US
Power generation unit and control method of the same
US-2019273274-A1 · Sep 5, 2019 · US
Fuel cell system and method of controlling the same
US-2019273272-A1 · Sep 5, 2019 · US
Fuel cell system and method of controlling fuel cell system
US-2019260049-A1 · Aug 22, 2019 · US
Fuel cell system
US-2019207231-A1 · Jul 4, 2019 · US
Power management method, power management server, local control apparatus, and power management system
US-2019199131-A1 · Jun 27, 2019 · US
Control method for fuel cell system and fuel cell system
US-10312537-B2 · Jun 4, 2019 · US
Fuel cell system
US-2019165397-A1 · May 30, 2019 · US
Cogeneration system, control device and control method
US-2019148745-A1 · May 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04858?
- CPC H01M8/04858 is the Cooperative Patent Classification code for “Electric variables.”
- How many patents are filed under CPC H01M8/04858 (Electric variables)?
- Our database includes 141 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04858 growing?
- Publication counts under this code: 17 in 2024 vs 15 in 2025 (latest complete years).