Metal-supported electrochemical element, solid oxide fuel cell and method of manufacturing such metal-supported electrochemical element
US-11189838-B2 · Nov 30, 2021 · US
with a gradient in another property than porosity (H01M4/861 takes precedence)
with a gradient in another property than porosity (H01M4/861 takes precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/8636 |
| Official title | {with a gradient in another property than porosity (H01M4/861 takes precedence)} |
| Display label | with a gradient in another property than porosity (H01M4/861 takes precedence) |
| Total patents | 101 |
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 | 4 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 18 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microporous layer structure of fuel cell and preparation method therefor, and fuel cell cathode assembly
US-2021194028-A1 · Jun 24, 2021 · US
Locally engineered pem cells components with optimized operation for improved durability
US-2020403249-A1 · Dec 24, 2020 · US
Fuel cell
US-10868326-B2 · Dec 15, 2020 · US
Group of cells for power adaptation of electrochemical reactors
US-10862150-B2 · Dec 8, 2020 · US
Hydrophilic porous carbon electrode and manufacturing method of same
US-2020373588-A1 · Nov 26, 2020 · US
Metal-Supported Electrochemical Element, Solid Oxide Fuel Cell and Method of Manufacturing Such Metal-Supported Electrochemical Element
US-2020328429-A1 · Oct 15, 2020 · US
Metal-Supported Electrochemical Element, Solid Oxide Fuel Cell and Method of Manufacturing Such Metal-Supported Electrochemical Element
US-2020321620-A1 · Oct 8, 2020 · US
Micro-porous layer and manufacturing method therefor, gas diffusion electrode substrate, and fuel battery
US-2020313200-A1 · Oct 1, 2020 · US
Gas diffusion electrode and method for manufacturing same
US-10790516-B2 · Sep 29, 2020 · US
Method for producing gas diffusion electrode substrate and fuel cell
US-2020287220-A1 · Sep 10, 2020 · US
Fuel cell and manufacturing method of the same
US-2020274182-A1 · Aug 27, 2020 · US
Reforming Catalyst Pattern For Fuel Cell Operated With Enhanced CO2 Utilization
US-2020176800-A1 · Jun 4, 2020 · US
Fuel cell
US-2020176804-A1 · Jun 4, 2020 · US
Flow batteries having an electrode with differing hydrophilicity on opposing faces and methods for production and use thereof
US-2020152993-A1 · May 14, 2020 · US
Carbon sheet, gas diffusion electrode substrate, wound body, and fuel cell
US-10637069-B2 · Apr 28, 2020 · US
Composite cathode and lithium-air battery including the same
US-2020112054-A1 · Apr 9, 2020 · US
Electrode slurry of solid oxide fuel cell, green sheet for electrode of solid oxide fuel cell, electrode of solid oxide fuel cell, and method for manufacturing solid oxide fuel cell and electrode of solid oxide fuel cell
US-10615420-B2 · Apr 7, 2020 · US
Membrane electrode assembly for a fuel cell, method for preparing the membrane electrode assembly, fuel cell system and vehicle
US-10593979-B2 · Mar 17, 2020 · US
Flow batteries having an electrode with differing hydrophilicity on opposing faces and methods for production and use thereof
US-10573899-B2 · Feb 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/8636?
- CPC H01M4/8636 is the Cooperative Patent Classification code for “with a gradient in another property than porosity (H01M4/861 takes precedence).”
- How many patents are filed under CPC H01M4/8636 (with a gradient in another property than porosity (H01M4/861 takes precedence))?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/8636 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).