Bipolar plate for an electrolyzer, electrolyzer and method for producing a bipolar plate
US-9845540-B2 · Dec 19, 2017 · US
Organic resins; Organic polymers
Organic resins; Organic polymers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/0221 |
| Official title | Organic resins; Organic polymers |
| Display label | Organic resins; Organic polymers |
| Total patents | 310 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 23 |
| 2017 | 14 |
| 2018 | 19 |
| 2019 | 45 |
| 2020 | 42 |
| 2021 | 38 |
| 2022 | 31 |
| 2023 | 25 |
| 2024 | 22 |
| 2025 | 19 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermoplastic prepreg intermediate material for fuel cell separation plate and method for manufacturing thermoplastic prepreg for fuel cell separation plate by using same
US-2017298200-A1 · Oct 19, 2017 · US
Sheet press molding method and method of manufacturing fuel cell separator
US-9789634-B2 · Oct 17, 2017 · US
Separator layer for flow battery
US-2017279130-A1 · Sep 28, 2017 · US
Fuel Cell Assembly and Method for Operating a Fuel Cell Assembly
US-2017222249-A1 · Aug 3, 2017 · US
Coating process for fuel cell components
US-9640805-B2 · May 2, 2017 · US
Block copolymers having amine or phosphine functionalized end blocks
US-2017107332-A1 · Apr 20, 2017 · US
Bipolar plate having a polymeric coating
US-2017092962-A1 · Mar 30, 2017 · US
Microbial fuel cell
US-2017077541-A1 · Mar 16, 2017 · US
Molding process for making fuel cell components
US-2017012298-A1 · Jan 12, 2017 · US
Method for manufacturing fuel cell separator
US-9515324-B2 · Dec 6, 2016 · US
Composite metal foil for fuel cell separator, fuel cell separator, fuel cell, and method for producing composite metal foil for fuel cell separator
US-2016336600-A1 · Nov 17, 2016 · US
Fuel cell flow plate
US-2016329574-A1 · Nov 10, 2016 · US
Separator for fuel cell and method for manufacturing the same
US-9472815-B2 · Oct 18, 2016 · US
Titanium separator material for fuel cells, and method for producing titanium separator material for fuel cells
US-2016268611-A1 · Sep 15, 2016 · US
Composition, method of preparing the composition, electrode including the composition, and fuel cell including the electrode
US-2016268609-A1 · Sep 15, 2016 · US
Selectively coated bipolar plates for water management and freeze start in PEM fuel cells
US-9431665-B2 · Aug 30, 2016 · US
Metallic bipolar plate for a proton-exchange membrane fuel cell
US-9406947-B2 · Aug 2, 2016 · US
High energy density redox flow device
US-2016218375-A1 · Jul 28, 2016 · US
Fuel cell separating plate and method of manufacturing the same
US-2016197360-A1 · Jul 7, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/0221?
- CPC H01M8/0221 is the Cooperative Patent Classification code for “Organic resins; Organic polymers.”
- How many patents are filed under CPC H01M8/0221 (Organic resins; Organic polymers)?
- Our database includes 310 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/0221 growing?
- Publication counts under this code: 22 in 2024 vs 19 in 2025 (latest complete years).