Porous body and fuel cell including the same
US-11757106-B2 · Sep 12, 2023 · US
Composites
Composites · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/0241 |
| Official title | Composites |
| Display label | Composites |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite membranes for flow batteries
US-2023253600-A1 · Aug 10, 2023 · US
Integral composite membrane with a continuous ionomer phase
US-11715839-B2 · Aug 1, 2023 · US
Electrode gas diffusion layer assembly with controlled binder content and fuel cell stack including the same
US-11688872-B2 · Jun 27, 2023 · US
Porous body and fuel cell including the same
US-2023099013-A1 · Mar 30, 2023 · US
Composite for porous transport layer, sintered body thereof, and method for preparing the same
US-2022339702-A1 · Oct 27, 2022 · US
Electrode having columnar structure provided with multilayer part
US-2022320527-A1 · Oct 6, 2022 · US
Flexible electrode substrate including porous electrode, and method for manufacturing same
US-2022302458-A1 · Sep 22, 2022 · US
Composite membranes for flow batteries
US-11444306-B2 · Sep 13, 2022 · US
Fuel cell
US-11437630-B2 · Sep 6, 2022 · US
Gas diffusion electrode, method for producing the same and membrane electrode assembly
US-2022278336-A1 · Sep 1, 2022 · US
Electrode gas diffusion layer assembly with controlled binder content and fuel cell stack including the same
US-2022181661-A1 · Jun 9, 2022 · US
Polymet Plates With Enhanced Electrically Conductive Pathway And Lower Corrosion For Fuel Cell
US-2022123325-A1 · Apr 21, 2022 · US
Porous body for fuel cell
US-11289715-B2 · Mar 29, 2022 · US
Method for manufacturing fuel cell stack body and method for manufacturing fuel cell stack
US-2022085400-A1 · Mar 17, 2022 · US
Microporous layer with hydrophilic additives
US-11264621-B2 · Mar 1, 2022 · US
Integral composite membrane with a continuous ionomer phase
US-2021296674-A1 · Sep 23, 2021 · US
Chromium adsorption material and fuel cell
US-2021257640-A1 · Aug 19, 2021 · US
Processing apparatus for gas-diffusion layer sheets
US-11094943-B2 · Aug 17, 2021 · US
Composite membranes for flow batteries
US-2021210779-A1 · Jul 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/0241?
- CPC H01M8/0241 is the Cooperative Patent Classification code for “Composites.”
- How many patents are filed under CPC H01M8/0241 (Composites)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/0241 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).