Apparatus and method for green hydrogen production using submerged desalination system
US-2024318323-A1 · Sep 26, 2024 · US
Operating or servicing cells
Operating or servicing cells · 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 | C25B15/00 |
| Official title | Operating or servicing cells |
| Display label | Operating or servicing cells |
| Total patents | 348 |
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 | 17 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 26 |
| 2020 | 20 |
| 2021 | 25 |
| 2022 | 36 |
| 2023 | 55 |
| 2024 | 52 |
| 2025 | 62 |
| 2026 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water electrolysis system
US-2019376196-A1 · Dec 12, 2019 · US
Moisture removing apparatus using electric discharge
US-10458025-B2 · Oct 29, 2019 · US
Apparatus for protection of anodes and cathodes in a system of electrolysis cells
US-10400344-B2 · Sep 3, 2019 · US
Hydrogen desorption method and dehydrogenation apparatus
US-10301177-B2 · May 28, 2019 · US
In-Situ Anode Activation By A Cathode In An Alkaline Water Electrolytic Cell
US-2019106797-A1 · Apr 11, 2019 · US
High-temperature or fuel-cell electrochemical system having improved thermal management
US-10218011-B2 · Feb 26, 2019 · US
Graphene oxide and method of production thereof
US-2018362349-A1 · Dec 20, 2018 · US
Electrode for electrolysis, manufacturing method of electrode for electrolysis, and electrolyzer
US-2018282884-A1 · Oct 4, 2018 · US
Chemical reaction system
US-2018257057-A1 · Sep 13, 2018 · US
Device and apparatus for carrying out chemical dissociation reactions at elevated temperatures
US-10072344-B2 · Sep 11, 2018 · US
Electrolyzer
US-2018245224-A1 · Aug 30, 2018 · US
Hydrogen production apparatus and hydrogen production system
US-2018202053-A1 · Jul 19, 2018 · US
Electrolysis apparatus and electrolysis method
US-2018195183-A1 · Jul 12, 2018 · US
Electrolysis stack and electrolyzer
US-10006132-B2 · Jun 26, 2018 · US
Bubble collector guide and use thereof
US-9976222-B2 · May 22, 2018 · US
Moisture removing apparatus using electric discharge
US-2018127884-A1 · May 10, 2018 · US
Continuous supply of power to an electrolysis plant
US-2018119297-A1 · May 3, 2018 · US
A method of driving an active matrix electro-wetting on dielectric device and an active matrix electro-wetting on dielectric device
US-2018078934-A1 · Mar 22, 2018 · US
Gas generator
US-2018056021-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B15/00?
- CPC C25B15/00 is the Cooperative Patent Classification code for “Operating or servicing cells.”
- How many patents are filed under CPC C25B15/00 (Operating or servicing cells)?
- Our database includes 348 publications tagged with this CPC code.
- Is patent activity under CPC C25B15/00 growing?
- Publication counts under this code: 52 in 2024 vs 62 in 2025 (latest complete years).