Fuel cell system
US-2016380285-A1 · Dec 29, 2016 · 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 | H01M8/04701 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 658 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 33 |
| 2017 | 49 |
| 2018 | 45 |
| 2019 | 62 |
| 2020 | 64 |
| 2021 | 76 |
| 2022 | 85 |
| 2023 | 79 |
| 2024 | 53 |
| 2025 | 60 |
| 2026 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solid oxide fuel cell system for producing variable generated power based on power demand
US-9531018-B2 · Dec 27, 2016 · US
Method of operating a fuel cell
US-9531017-B2 · Dec 27, 2016 · US
Supply System For Providing At Least Oxygen Depleted Air And Water In A Vehicle And Aircraft Having Such A Supply System
US-2016362191-A1 · Dec 15, 2016 · US
Fuel cell system
US-9509005-B2 · Nov 29, 2016 · US
Fuel cell system and controlling method thereof
US-2016344048-A1 · Nov 24, 2016 · US
Fuel cell system and control method therefor
US-9461317-B2 · Oct 4, 2016 · US
Fuel cell system
US-2016268612-A1 · Sep 15, 2016 · US
Fuel cell monitoring device
US-9444112-B2 · Sep 13, 2016 · US
Fuel cell system and method of operating fuel cell system
US-9425473-B2 · Aug 23, 2016 · US
Motor Vehicle, Method for Controlling a Fill Level of a Water Tank in a Motor Vehicle that Comprises a Fuel Cell System, and Use of Signals and/or Data of a Motor Vehicle State and/or of a Motor Vehicle Environment
US-2016240869-A1 · Aug 18, 2016 · US
Gas analyzer with fuel cell
US-2016209362-A1 · Jul 21, 2016 · US
Fuel cell system
US-2016181637-A1 · Jun 23, 2016 · US
Method and system for cooling water control of vehicle
US-2016159247-A1 · Jun 9, 2016 · US
Apparatus and method for preventing moisture condensation
US-2016149237-A1 · May 26, 2016 · US
Apparatus and method for controlling cooling pump of fuel cell system
US-2016149238-A1 · May 26, 2016 · US
Fuel cell system and control method of fuel cell system
US-2016141676-A1 · May 19, 2016 · US
Procedure for stack voltage recovery
US-9343760-B2 · May 17, 2016 · US
Fuel Cell System and a Method for Controlling a Fuel Cell System
US-2016133966-A1 · May 12, 2016 · US
Fuel cell cooling system for vehicle and fuel cell-powered vehicle
US-9312549-B2 · Apr 12, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04701?
- CPC H01M8/04701 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01M8/04701 (Electricity)?
- Our database includes 658 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04701 growing?
- Publication counts under this code: 53 in 2024 vs 60 in 2025 (latest complete years).