Electrode for electrochemical reaction device, membrane electrode assembly, and electrochemical reaction device
US-2024117510-A1 · Apr 11, 2024 · US
Porous electrodes
Porous electrodes · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25B11/031 |
| Official title | Porous electrodes |
| Display label | Porous electrodes |
| Total patents | 716 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 26 |
| 2017 | 27 |
| 2018 | 40 |
| 2019 | 56 |
| 2020 | 50 |
| 2021 | 75 |
| 2022 | 62 |
| 2023 | 98 |
| 2024 | 113 |
| 2025 | 125 |
| 2026 | 22 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Membrane electrode assembly, laminating method, electrochemical cell, stack, and electrolyzer
US-2024093392-A1 · Mar 21, 2024 · US
Electrolysis device and apparatus for producing electrolyzed ozonated water
US-2017334750-A1 · Nov 23, 2017 · US
Oxygen-consuming electrode which contains carbon nanotubes and method for producing same
US-2017283964-A1 · Oct 5, 2017 · US
Gas diffusion electrodes and process for production thereof
US-9714472-B2 · Jul 25, 2017 · US
Electrode, electrochemical cell, electrochemical apparatus and method for manufacturing electrode
US-2017204526-A1 · Jul 20, 2017 · US
Gas diffusion layer, electrochemical cell having such a gas diffusion layer, and electrolyzer
US-2017191175-A1 · Jul 6, 2017 · US
Method for mounting oxygen-consuming electrodes in electrochemical cells and electrochemical cells
US-2017088961-A1 · Mar 30, 2017 · US
Catalyst structure for electrolysis of water and method of forming the same
US-2017051418-A1 · Feb 23, 2017 · US
Production of low temperature electrolytic hydrogen
US-9574276-B2 · Feb 21, 2017 · US
Porous electrode for proton-exchange membrane
US-2017044678-A1 · Feb 16, 2017 · US
Method for producing catalytically active powders from metallic silver or from mixtures of metallic silver with silver oxide for producing gas diffusion electrodes
US-2017016129-A1 · Jan 19, 2017 · US
Electrochemical reaction device
US-2016376713-A1 · Dec 29, 2016 · US
Electrolysis cell of alkali solutions
US-2016369412-A1 · Dec 22, 2016 · US
Electrochemical cell, oxygen reduction device using the cell and refrigerator using the oxygen reduction device
US-2016355934-A1 · Dec 8, 2016 · US
Methods for removing contaminants from aqueous solutions using photoelectrocatalytic oxidization
US-2016332902-A1 · Nov 17, 2016 · US
Device and method for the flexible use of electricity
US-2016312369-A1 · Oct 27, 2016 · US
Amalgam electrode, method for manufacturing the same, and method for electrochemical reduction of carbon dioxide using the same
US-2016298247-A1 · Oct 13, 2016 · US
Anode for use in zero-gap brine electrolyzer, brine electrolyzer and method for zero-gap brine electrolysis employing same
US-9404191-B2 · Aug 2, 2016 · US
Electrochemical reduction of co2 at copper nanofoams
US-2016215404-A1 · Jul 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B11/031?
- CPC C25B11/031 is the Cooperative Patent Classification code for “Porous electrodes.”
- How many patents are filed under CPC C25B11/031 (Porous electrodes)?
- Our database includes 716 publications tagged with this CPC code.
- Is patent activity under CPC C25B11/031 growing?
- Publication counts under this code: 113 in 2024 vs 125 in 2025 (latest complete years).