Water electrolysis system and method of activating water electrolysis device
US-12516422-B2 · Jan 6, 2026 · US
Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof
Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof · 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 | C25B9/30 |
| Official title | Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof |
| Display label | Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof |
| Total patents | 41 |
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 | 1 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 9 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemically engineered surface of hydrogels, particularly peg hydrogels, for enhanced cellular penetration
US-12486364-B2 · Dec 2, 2025 · US
Green hydrogen from seawater
US-2025341001-A1 · Nov 6, 2025 · US
Seawater electrolysis enables mg(oh)2 production and co2 mineralization
US-2025313966-A1 · Oct 9, 2025 · US
Cyclonic electrolytic recovered reduced platinum and water electrolysis method using the same
US-2025297394-A1 · Sep 25, 2025 · US
Seawater electrolysis enables Mg(OH)2 production and CO2 mineralization
US-12359323-B2 · Jul 15, 2025 · US
Electrode bubble removal
US-2025198023-A1 · Jun 19, 2025 · US
Electrochemical process for co2 reduction to fuel and simultaneous oxygen generation
US-2024368773-A1 · Nov 7, 2024 · US
Seawater electrolysis enables mg(oh)2 production and co2 mineralization
US-2024360567-A1 · Oct 31, 2024 · US
Electrolysis system and method of driving electrolysis system
US-2024318328-A1 · Sep 26, 2024 · US
Seawater electrolysis enables Mg(OH)2 production and CO2 mineralization
US-11920246-B2 · Mar 5, 2024 · US
Systems and methods for continuous generation of gases
US-2023313391-A1 · Oct 5, 2023 · US
ELECTROCHEMICAL Ca(OH)2 AND/OR Mg(OH)2 PRODUCTION FROM INDUSTRIAL WASTES AND Ca/Mg-CONTAINING ROCKS
US-2023125242-A1 · Apr 27, 2023 · US
Seawater electrolysis enables mg(oh)2 production and co2 mineralization
US-2023124711-A1 · Apr 20, 2023 · US
Hydrogen system and method for operating hydrogen system
US-2023078714-A1 · Mar 16, 2023 · US
Device for producing hydrogen and/or ammonia and a method for producing hydrogen and/or ammonia
US-2023010889-A1 · Jan 12, 2023 · US
Environment control system utilizing an electrochemical cell
US-11504494-B2 · Nov 22, 2022 · US
Water electrolysis system and method of activating water electrolysis device
US-2022356586-A1 · Nov 10, 2022 · US
Methods and systems for carbon nanofiber production
US-11402130-B2 · Aug 2, 2022 · US
Electrochemically engineered surface of hydrogels, particularly peg hydrogels, for enhanced cellular penetration
US-2021032412-A1 · Feb 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B9/30?
- CPC C25B9/30 is the Cooperative Patent Classification code for “Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof.”
- How many patents are filed under CPC C25B9/30 (Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C25B9/30 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).