Fuel cell apparatus
US-2023170500-A1 · Jun 1, 2023 · US
of anode exhausts
of anode exhausts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/04514 |
| Official title | {of anode exhausts} |
| Display label | of anode exhausts |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 14 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel cell system
US-11469427-B2 · Oct 11, 2022 · US
Water discharge optimization for fuel cell vehicles
US-2022293976-A1 · Sep 15, 2022 · US
Fuel cell vehicle and liquid state estimation method
US-11400833-B2 · Aug 2, 2022 · US
Fuel cell system
US-2022231316-A1 · Jul 21, 2022 · US
Method for controlling fuel cell vehicle
US-11351889-B2 · Jun 7, 2022 · US
Methods and systems for controlling water imbalance in an electrochemical cell
US-2022102743-A1 · Mar 31, 2022 · US
Determining the mass flow of an exhaust gas constituent of a fuel cell
US-2021399320-A1 · Dec 23, 2021 · US
System and method for removing water and hydrogen from anode exhaust
US-11201337-B2 · Dec 14, 2021 · US
Method for humidifying a reactant, and fuel cell system for carrying out the method
US-2021273246-A1 · Sep 2, 2021 · US
Methods and systems for controlling water imbalance in an electrochemical cell
US-11081711-B2 · Aug 3, 2021 · US
Method of starting operation of fuel cell system at low temperature, and the fuel cell system
US-2021091394-A1 · Mar 25, 2021 · US
Method for determining humidity condition in fuel cell system
US-10930957-B2 · Feb 23, 2021 · US
Anode bleed control in a fuel cell stack
US-10903512-B2 · Jan 26, 2021 · US
Fuel cell vehicle and liquid state estimation method
US-2020384892-A1 · Dec 10, 2020 · US
Fuel cell system
US-2020321637-A1 · Oct 8, 2020 · US
Method for controlling fuel cell vehicle
US-2020290466-A1 · Sep 17, 2020 · US
Fuel cell failure diagnostic apparatus and method thereof
US-10756367-B2 · Aug 25, 2020 · US
Method for controlling fuel cell vehicle
US-10703213-B2 · Jul 7, 2020 · US
Method of diagnosing level sensor failure in fuel cell water trap and control unit using the same
US-10700369-B2 · Jun 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04514?
- CPC H01M8/04514 is the Cooperative Patent Classification code for “of anode exhausts.”
- How many patents are filed under CPC H01M8/04514 (of anode exhausts)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04514 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).