Separator plate with a homogenized bead strength in the port region
US-12469855-B2 · Nov 11, 2025 · US
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semicylindrical
semicylindrical · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/025 |
| Official title | semicylindrical |
| Display label | semicylindrical |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bipolar plate for fuel cell stack
US-12374702-B2 · Jul 29, 2025 · US
Frameless fuel cell stack having hollow fasteners
US-11784325-B2 · Oct 10, 2023 · US
Fuel cell and fuel cell system for an aircraft
US-11695131-B2 · Jul 4, 2023 · US
Bipolar plate for fuel cell stack
US-2023096327-A1 · Mar 30, 2023 · US
Frameless fuel cell stack having hollow fasteners
US-2023096918-A1 · Mar 30, 2023 · US
Separator plate with a homogenized bead strength in the port region
US-2022336825-A1 · Oct 20, 2022 · US
Fuel cell and fuel cell system for an aircraft
US-2022037685-A1 · Feb 3, 2022 · US
Fuel cell and manufacturing method of fuel cell
US-10559841-B2 · Feb 11, 2020 · US
Sheet metal forming method and apparatus
US-10150152-B2 · Dec 11, 2018 · US
Sheet metal forming method and apparatus
US-2018154416-A1 · Jun 7, 2018 · US
Fuel cell system having curved membrane electrode assembly
US-9935322-B2 · Apr 3, 2018 · US
Fuel cell and manufacturing method of fuel cell
US-2017365872-A1 · Dec 21, 2017 · US
Fuel cell system
US-2016351934-A1 · Dec 1, 2016 · US
Metal-air battery cell, metal-air battery including metal-air battery cell and method of fabricating the same
US-2015340747-A1 · Nov 26, 2015 · US
Fuel cell module
US-9147887-B2 · Sep 29, 2015 · US