Degradation-conscious control for pem fuel cells
US-2020321641-A1 · Oct 8, 2020 · US
Current
Current · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/04895 |
| Official title | {Current} |
| Display label | Current |
| Total patents | 144 |
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 | 6 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 14 |
| 2021 | 19 |
| 2022 | 18 |
| 2023 | 20 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel cell system
US-2020243878-A1 · Jul 30, 2020 · US
Fuel cell system controller and associated method
US-2020136159-A1 · Apr 30, 2020 · US
Power supply device, flying tool using same and power supply method thereof
US-2020083550-A1 · Mar 12, 2020 · US
Generation of oxygen depleted air by a fuel cell system
US-10553886-B2 · Feb 4, 2020 · US
Fuel cell system controller and associated method
US-10522857-B2 · Dec 31, 2019 · US
Fuel cell system and method for controlling the fuel cell system
US-10511227-B2 · Dec 17, 2019 · US
Power generation unit and control method of the same
US-2019273274-A1 · Sep 5, 2019 · US
Fuel cell system and method for controlling the fuel cell system
US-2019273437-A1 · Sep 5, 2019 · US
Fuel cell vehicle control method and fuel cell vehicle control apparatus
US-10396376-B2 · Aug 27, 2019 · US
Method and device for observing a state of a fuel-cell electrochemical system
US-10359477-B2 · Jul 23, 2019 · US
Fuel cell system and control method for fuel cell system
US-2019165439-A1 · May 30, 2019 · US
Fuel cell system and controlling method thereof
US-10290884-B2 · May 14, 2019 · US
Method for controlling fuel cell system
US-10230118-B2 · Mar 12, 2019 · US
Power conditioning system and control method therefor
US-10193167-B2 · Jan 29, 2019 · US
Hydrogen supply system
US-2019009209-A1 · Jan 10, 2019 · US
Active cathode temperature control for metal-air batteries
US-10164274-B2 · Dec 25, 2018 · US
Fuel cell system and control method of fuel cell system
US-10135082-B2 · Nov 20, 2018 · US
Method and System for Improving the Energy Efficiency and for Reconditioning of a Vanadium Flow Battery
US-2018331382-A1 · Nov 15, 2018 · US
Power source apparatus, distributed power source system, and control method thereof
US-2018323630-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04895?
- CPC H01M8/04895 is the Cooperative Patent Classification code for “Current.”
- How many patents are filed under CPC H01M8/04895 (Current)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04895 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).