Liquid powered and cooled microfluidics photonics architecture
US-2025240100-A1 · Jul 24, 2025 · US
Fuel cells for particular applications; Specific features of fuel cell system
Fuel cells for particular applications; Specific features of fuel cell system · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2250/00 |
| Official title | Fuel cells for particular applications; Specific features of fuel cell system |
| Display label | Fuel cells for particular applications; Specific features of fuel cell system |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid powered and cooled microfluidics photonics architecture
US-2024405879-A1 · Dec 5, 2024 · US
Direct alcohol fuel cell
US-12068512-B2 · Aug 20, 2024 · US
Liquid powered and cooled microfluidics photonics architecture
US-11909449-B1 · Feb 20, 2024 · US
Biosensor for water toxicity monitoring
US-2023417722-A1 · Dec 28, 2023 · US
Rubber composition for fuel-cell cooling hose and fuel-cell cooling hose using same
US-11795313-B2 · Oct 24, 2023 · US
Direct alcohol fuel cell
US-11777123-B2 · Oct 3, 2023 · US
Apparatus for dilution of hydrogen concentration in a fuel cell exhaust system
US-11735750-B2 · Aug 22, 2023 · US
Apparatus for dilution of hydrogen concentration in a fuel cell exhaust system
US-2023223567-A1 · Jul 13, 2023 · US
Thermo-electric generator, associated implantable device and method
US-11469433-B2 · Oct 11, 2022 · US
Identification and mapping of fuel cell cathode valve ice breaking stall torque capability
US-11372046-B2 · Jun 28, 2022 · US
Apparatus for determining reactant purity
US-11362351-B2 · Jun 14, 2022 · US
Rubber composition for fuel-cell cooling hose and fuel-cell cooling hose using same
US-2022089851-A1 · Mar 24, 2022 · US
Downhole fuel cell with steam adsorption and pressure compensation
US-11280163-B2 · Mar 22, 2022 · US
A direct alcohol fuel cell
US-2022029186-A1 · Jan 27, 2022 · US
A direct alcohol fuel cell
US-2022029187-A1 · Jan 27, 2022 · US
A direct alcohol fuel cell
US-2022021013-A1 · Jan 20, 2022 · US
Microbial electrochemical cells and methods for producing electricity and bioproducts therein
US-11105002-B2 · Aug 31, 2021 · US
Thermo-electric generator, associated implantable device and method
US-2021196962-A1 · Jul 1, 2021 · US
Identification and mapping of fuel cell cathode valve ice breaking stall torque capability
US-2021072316-A1 · Mar 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M2250/00?
- CPC H01M2250/00 is the Cooperative Patent Classification code for “Fuel cells for particular applications; Specific features of fuel cell system.”
- How many patents are filed under CPC H01M2250/00 (Fuel cells for particular applications; Specific features of fuel cell system)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC H01M2250/00 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).