Device and method for manufacturing membrane-electrode assembly for fuel cell
US-2018337410-A1 · Nov 22, 2018 · US
Temporary supports, e.g. decal
Temporary supports, e.g. decal · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/8814 |
| Official title | {Temporary supports, e.g. decal} |
| Display label | Temporary supports, e.g. decal |
| Total patents | 242 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 20 |
| 2017 | 19 |
| 2018 | 27 |
| 2019 | 17 |
| 2020 | 30 |
| 2021 | 29 |
| 2022 | 30 |
| 2023 | 20 |
| 2024 | 18 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for separating electrode for membrane-electrode assembly of fuel cell and apparatus therefor
US-9960442-B2 · May 1, 2018 · US
Ionomer resin, and ionomer solution, multilayer body, member, electrochemical element, and electrochemical device that include the same
US-2018053943-A1 · Feb 22, 2018 · US
Thin film reserve battery
US-2018006287-A1 · Jan 4, 2018 · US
Printed fuel cell with integrated gas channels
US-9819040-B2 · Nov 14, 2017 · US
Release liner, method for manufacturing the same, and method for manufacturing membrane electrode assembly by using release liner
US-2017294659-A1 · Oct 12, 2017 · US
Methods of forming arrays of fuel cells on a composite surface
US-9705138-B2 · Jul 11, 2017 · US
Manufacturing method of metal catalyst-supporting carrier, metal catalyst-supporting carrier, manufacturing method of fuel cell and catalyst supporting device
US-9692059-B2 · Jun 27, 2017 · US
Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell
US-9666875-B2 · May 30, 2017 · US
Anode catalyst layer for use in a proton exchange membrane fuel cell
US-2017125821-A1 · May 4, 2017 · US
Process of manufacturing a catalyst-coated membrane-seal assembly
US-2017104225-A1 · Apr 13, 2017 · US
Proton exchange membrane materials
US-2017098828-A1 · Apr 6, 2017 · US
Nanostructured PtxMy catalyst for PEMFC cells having a high activity and a moderate H2O2 production
US-9608276-B2 · Mar 28, 2017 · US
Nanotubular intermetallic compound catalyst for positive electrode of lithium air battery and method of preparing the same
US-2017077523-A1 · Mar 16, 2017 · US
Substrate film, catalyst transfer sheet, method for producing membrane electrode assembly, and method for producing catalyst layer-coated electrolyte membrane
US-2017066892-A1 · Mar 9, 2017 · US
Thin film catalytic material for use in fuel
US-9577269-B2 · Feb 21, 2017 · US
Porous electrode for proton-exchange membrane
US-2017044678-A1 · Feb 16, 2017 · US
Non-PGM catalyst for ORR based on pyrolysed poly-complexes
US-9570761-B2 · Feb 14, 2017 · US
Fuel cell electrode with nanostructured catalyst and dispersed catalyst sublayer
US-9570756-B2 · Feb 14, 2017 · US
Membrane-electrode assembly producing apparatus and membrane-electrode assembly producing method
US-2017032871-A1 · Feb 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/8814?
- CPC H01M4/8814 is the Cooperative Patent Classification code for “Temporary supports, e.g. decal.”
- How many patents are filed under CPC H01M4/8814 (Temporary supports, e.g. decal)?
- Our database includes 242 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/8814 growing?
- Publication counts under this code: 18 in 2024 vs 12 in 2025 (latest complete years).