Fuel cell system and a method for controlling a fuel cell system
US-10141589-B2 · Nov 27, 2018 · US
of fuel cell reactants
of fuel cell reactants · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/04708 |
| Official title | {of fuel cell reactants} |
| Display label | of fuel cell reactants |
| Total patents | 313 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 11 |
| 2017 | 17 |
| 2018 | 18 |
| 2019 | 37 |
| 2020 | 36 |
| 2021 | 38 |
| 2022 | 30 |
| 2023 | 42 |
| 2024 | 23 |
| 2025 | 39 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System for electrolysing water (soec) or fuel-cell stack (sofc) operating under pressure, the regulation of which is improved
US-2018287172-A1 · Oct 4, 2018 · US
Fuel cell system
US-10090548-B2 · Oct 2, 2018 · US
Alternative path cooling of a high temperature fuel cell
US-10069150-B2 · Sep 4, 2018 · US
Thermal management system for fuel cell vehicle
US-2018233753-A1 · Aug 16, 2018 · US
Fuel cell with thermal energy storage for flexibility in hybrids
US-2018226659-A1 · Aug 9, 2018 · US
Electrolyte-circulating battery
US-10044059-B2 · Aug 7, 2018 · US
Metal air battery having thermal management structure
US-10033073-B2 · Jul 24, 2018 · US
Fuel cell system and control method for fuel cell system
US-10020523-B2 · Jul 10, 2018 · US
Fuel cell cogeneration system, method of starting operation of the fuel cell cogeneration system, and method of operating the fuel cell cogeneration system
US-10020521-B2 · Jul 10, 2018 · US
Sofc system and method which maintain a reducing anode environment
US-2018131018-A1 · May 10, 2018 · US
Fuel cell system and method of running fuel cell system
US-2018108922-A1 · Apr 19, 2018 · US
Method of decontaminating a fuel reactant stream for a fuel cell
US-9923221-B2 · Mar 20, 2018 · US
Integrated fuel cell systems
US-2018076472-A1 · Mar 15, 2018 · US
Fuel cell system and control method for fuel cell system
US-2018048003-A1 · Feb 15, 2018 · US
Engine systems and methods of operating an engine
US-9874158-B2 · Jan 23, 2018 · US
Air Control System and Method for Fuel Cell Stack System
US-2017338500-A1 · Nov 23, 2017 · US
Method for operating a fuel cell system
US-2017317365-A1 · Nov 2, 2017 · US
High temperature steam electrolysis facility (HTSE) with allothermal hydrogen production
US-9803290-B2 · Oct 31, 2017 · US
Apparatus and method for controlling fuel cell stack
US-2017301937-A1 · Oct 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04708?
- CPC H01M8/04708 is the Cooperative Patent Classification code for “of fuel cell reactants.”
- How many patents are filed under CPC H01M8/04708 (of fuel cell reactants)?
- Our database includes 313 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04708 growing?
- Publication counts under this code: 23 in 2024 vs 39 in 2025 (latest complete years).