Fuel cell limiting the phenomenon of corrosion
US-9496579-B2 · Nov 15, 2016 · US
Processes or apparatus for grouping fuel cells
Processes or apparatus for grouping fuel cells · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/2404 |
| Official title | Processes or apparatus for grouping fuel cells |
| Display label | Processes or apparatus for grouping fuel cells |
| Total patents | 496 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 36 |
| 2016 | 37 |
| 2017 | 43 |
| 2018 | 48 |
| 2019 | 42 |
| 2020 | 46 |
| 2021 | 40 |
| 2022 | 66 |
| 2023 | 43 |
| 2024 | 37 |
| 2025 | 49 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing method of fuel cell, fuel cell and fuel cell system
US-9490493-B2 · Nov 8, 2016 · US
Structure for mounting fuel cell stack
US-2016308239-A1 · Oct 20, 2016 · US
Fuel-cell-stack manufacturing method and manufacturing device
US-2016308238-A1 · Oct 20, 2016 · US
Manufacturing method and manufacturing apparatus of electrode frame assembly for fuel cell (as amended)
US-2016293976-A1 · Oct 6, 2016 · US
Modular pad for a fuel cell system
US-2016260996-A1 · Sep 8, 2016 · US
Method of manufacturing a fuel cell stack having an electrically conductive interconnect
US-9437880-B2 · Sep 6, 2016 · US
Manufacturing method of fuel cell module and manufacturing method of fuel cell
US-9437883-B2 · Sep 6, 2016 · US
Fuel cell
US-2016233526-A1 · Aug 11, 2016 · US
Fuel cell stack
US-9406953-B2 · Aug 2, 2016 · US
Fuel cell and fuel cell stack
US-9401515-B2 · Jul 26, 2016 · US
Electrolyte-membraneless microbial fuel cell, in-series stack thereof, and in-parallel combination thereof
US-9391338-B2 · Jul 12, 2016 · US
Solid oxide fuel cell stack and manufacturing method therefor
US-2016197359-A1 · Jul 7, 2016 · US
Electrical connection material for solid oxide fuel cell, solid oxide fuel cell, solid oxide fuel cell module, and method for manufacturing solid oxide fuel cell
US-9368808-B2 · Jun 14, 2016 · US
Solid oxide fuel cell, production method therefor, fuel-cell stack, and solid oxide fuel battery
US-2016164108-A1 · Jun 9, 2016 · US
Method for manufacturing a solid oxide fuel cell element by layer-wise buildup and solid oxide fuel cell element
US-9350037-B2 · May 24, 2016 · US
Deformation absorption member and fuel cell
US-2016141643-A1 · May 19, 2016 · US
Fuel-cell-stack manufacturing method and fuel-cell-stack
US-2016133948-A1 · May 12, 2016 · US
Fuel cell, method for manufacturing the same, and application apparatus used for manufacturing the same
US-9312558-B2 · Apr 12, 2016 · US
Fuel cell system with interconnect
US-9281527-B2 · Mar 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/2404?
- CPC H01M8/2404 is the Cooperative Patent Classification code for “Processes or apparatus for grouping fuel cells.”
- How many patents are filed under CPC H01M8/2404 (Processes or apparatus for grouping fuel cells)?
- Our database includes 496 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/2404 growing?
- Publication counts under this code: 37 in 2024 vs 49 in 2025 (latest complete years).