Fuel cell comprising a membrane/electrode assembly provided with a capacitive layer
US-10826080-B2 · Nov 3, 2020 · US
of noble metals or noble-metal based alloys
of noble metals or noble-metal based alloys · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/9058 |
| Official title | {of noble metals or noble-metal based alloys} |
| Display label | of noble metals or noble-metal based alloys |
| Total patents | 143 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 9 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 15 |
| 2020 | 9 |
| 2021 | 21 |
| 2022 | 22 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 15 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Supported catalyst material for a fuel cell
US-10790515-B2 · Sep 29, 2020 · US
Electrocatalysts, the preparation thereof, and using the same for fuel cells
US-2020194804-A1 · Jun 18, 2020 · US
Lithium electrochemical generator of the lithium-oxygen or lithium-air type comprising a specific negative electrode material
US-2020136135-A1 · Apr 30, 2020 · US
Highly porous anode catalyst layer structures for fuel flexible solid oxide fuel cells
US-10637070-B2 · Apr 28, 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
Method for producing a membrane electrode assembly for a fuel cell
US-2020083540-A1 · Mar 12, 2020 · US
Method for producing a membrane electrode assembly for a fuel cell
US-2020075970-A1 · Mar 5, 2020 · US
Apparatus and method associated with reformer-less fuel cell
US-10516181-B2 · Dec 24, 2019 · US
Gas detection device, gas detection system, fuel cell vehicle, and gas detection method
US-2019383690-A1 · Dec 19, 2019 · US
Electrocatalyst structures for an electrode
US-2019379057-A1 · Dec 12, 2019 · US
Fuel cell comprising a membrane/electrode assembly provided with a capacitive layer
US-2019312285-A1 · Oct 10, 2019 · US
Nanocatalyst for anode of solid oxide fuel cell and preparation method thereof
US-2019296366-A1 · Sep 26, 2019 · US
Membrane/electrode assembly comprising a highly capacitive catalytic anode
US-2019280321-A1 · Sep 12, 2019 · US
Dry reforming catalyst, method for preparing same, and dry reforming method using corresponding catalyst
US-10411266-B2 · Sep 10, 2019 · US
Catalyst
US-2019267638-A1 · Aug 29, 2019 · US
Catalyst
US-2019260035-A1 · Aug 22, 2019 · US
Electrode catalyst material, and fuel cell
US-10388966-B2 · Aug 20, 2019 · US
Porous current collector and fuel cell
US-10374243-B2 · Aug 6, 2019 · US
Highly Porous Anode Catalyst Layer Structures for Fuel Flexible Solid Oxide Fuel Cells
US-2019237770-A1 · Aug 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/9058?
- CPC H01M4/9058 is the Cooperative Patent Classification code for “of noble metals or noble-metal based alloys.”
- How many patents are filed under CPC H01M4/9058 (of noble metals or noble-metal based alloys)?
- Our database includes 143 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/9058 growing?
- Publication counts under this code: 12 in 2024 vs 15 in 2025 (latest complete years).