MULTI-CELL COx ELECTROLYZER STACKS
US-2024060194-A1 · Feb 22, 2024 · US
having bipolar electrodes
having bipolar 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 | C25B9/75 |
| Official title | having bipolar electrodes |
| Display label | having bipolar electrodes |
| Total patents | 444 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 21 |
| 2020 | 20 |
| 2021 | 38 |
| 2022 | 43 |
| 2023 | 67 |
| 2024 | 94 |
| 2025 | 89 |
| 2026 | 30 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a flow plate for a fuel cell and/or an electrolyzer
US-2019348685-A1 · Nov 14, 2019 · US
Methods for co-electrolysis of water and co2 (soec) or for high-temperature electricity production (sofc) optionally promoting catalytic reactions inside the h2 electrode
US-2019348699-A1 · Nov 14, 2019 · US
Electrolytic production of organic chloramine solutions
US-2019345620-A1 · Nov 14, 2019 · US
Gas generator
US-10465300-B2 · Nov 5, 2019 · US
Electrolysis Cell or Electrode Plate with a Gas Diffusion Electrode
US-2019292669-A1 · Sep 26, 2019 · US
Electrochemical cell stack
US-2019288322-A1 · Sep 19, 2019 · US
System and method for electrochemical separation of oxygen
US-2019226096-A1 · Jul 25, 2019 · US
Group of cells for power adaptation of electrochemical reactors
US-2019221873-A1 · Jul 18, 2019 · US
Electrochemical, halogenation, and oxyhalogenation systems and methods
US-2019203365-A1 · Jul 4, 2019 · US
Process for starting mode or stand-by mode operation of a power-to-gas unit comprising a plurality of high-temperature electrolysis (soec) or co-electrolysis reactors
US-2019194816-A1 · Jun 27, 2019 · US
Polymeric-metal composite electrode-based electrochemical device for generating oxidants
US-10294129-B2 · May 21, 2019 · US
Seal designs for multicomponent bipolar plates of an electrochemical cell
US-10273588-B2 · Apr 30, 2019 · US
Electrochemical, halogenation, and oxyhalogenation systems and methods
US-10266954-B2 · Apr 23, 2019 · US
Flow fields for electrochemical cell
US-2019097245-A1 · Mar 28, 2019 · US
Membrane electrode assembly, electrochemical cell, and electrochemical device
US-2019071784-A1 · Mar 7, 2019 · US
Flow fields for electrochemical cell
US-10193164-B2 · Jan 29, 2019 · US
Electrochemical device comprising a hydrogen sensor
US-2019020044-A1 · Jan 17, 2019 · US
Multi-component bipolar plate for an electrochemical cell
US-10141585-B2 · Nov 27, 2018 · US
Monitoring condition of electrochemical cells
US-2018245226-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B9/75?
- CPC C25B9/75 is the Cooperative Patent Classification code for “having bipolar electrodes.”
- How many patents are filed under CPC C25B9/75 (having bipolar electrodes)?
- Our database includes 444 publications tagged with this CPC code.
- Is patent activity under CPC C25B9/75 growing?
- Publication counts under this code: 94 in 2024 vs 89 in 2025 (latest complete years).