Membrane electrode assembly, electrochemical cell, stack, and electrolytic system
US-2026081195-A1 · Mar 19, 2026 · US
Conductivity
Conductivity · 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 | C25B15/033 |
| Official title | Conductivity |
| Display label | Conductivity |
| Total patents | 44 |
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 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 10 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modular salt chlorine generator
US-2026009144-A1 · Jan 8, 2026 · US
Electrochemical system
US-2025354272-A1 · Nov 20, 2025 · US
Control systems and methods for monitoring electrolyzer cell stack conditions and extending operational life
US-2025354281-A1 · Nov 20, 2025 · US
State diagnosis system, state diagnosis method, and electrolysis system
US-2025297390-A1 · Sep 25, 2025 · US
Water electrolysis system
US-2025250687-A1 · Aug 7, 2025 · US
Method for operating an electrolyzer for the production of hydrogen and oxygen
US-2025179670-A1 · Jun 5, 2025 · US
Method for controlling hydrogen generation system, and hydrogen generation system
US-2025179656-A1 · Jun 5, 2025 · US
Method for controlling organic hydride generation system, and organic hydride generation system
US-2025179660-A1 · Jun 5, 2025 · US
Method for operating an electrolysis plant, and electrolysis plant
US-2025163586-A1 · May 22, 2025 · US
Electrochemical system
US-12305296-B2 · May 20, 2025 · US
Electrochemical system
US-2025146140-A1 · May 8, 2025 · US
Monitoring the ageing of an electrolyzer
US-2025101618-A1 · Mar 27, 2025 · US
Method for controlling hydrogen generation system, and hydrogen generation system
US-12252794-B2 · Mar 18, 2025 · US
Method for controlling organic hydride generation system, and organic hydride generation system
US-12252798-B2 · Mar 18, 2025 · US
Metal sulfate manufacturing system via electrochemical dissolution
US-12227857-B2 · Feb 18, 2025 · US
Electrolyzers with bypassable bipolar plates
US-12129562-B2 · Oct 29, 2024 · US
Operation support apparatus, operation support method, and computer readable medium
US-2024263331-A1 · Aug 8, 2024 · US
High fluid velocity cell design for the electrochemical generation of hydrogen and carbon dioxide
US-2024240338-A1 · Jul 18, 2024 · US
Water electrolysis apparatus
US-2024240328-A1 · Jul 18, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B15/033?
- CPC C25B15/033 is the Cooperative Patent Classification code for “Conductivity.”
- How many patents are filed under CPC C25B15/033 (Conductivity)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C25B15/033 growing?
- Publication counts under this code: 10 in 2024 vs 14 in 2025 (latest complete years).