Apparatus and process to provide cooling water for ammonia and or hydrogen productions
US-2024207802-A1 · Jun 27, 2024 · US
Assemblies comprising two or more cells
Assemblies comprising two or more 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 | C25B9/70 |
| Official title | Assemblies comprising two or more cells |
| Display label | Assemblies comprising two or more cells |
| Total patents | 705 |
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 | 30 |
| 2016 | 37 |
| 2017 | 24 |
| 2018 | 37 |
| 2019 | 63 |
| 2020 | 29 |
| 2021 | 50 |
| 2022 | 64 |
| 2023 | 86 |
| 2024 | 127 |
| 2025 | 128 |
| 2026 | 30 |
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
Solar powered CO2 conversion
US-9528192-B1 · Dec 27, 2016 · US
Photoelectrochemical reaction device
US-2016372270-A1 · Dec 22, 2016 · US
Device and method for the flexible use of electricity
US-2016312369-A1 · Oct 27, 2016 · US
Device and method for the flexible use of electricity
US-2016305030-A1 · Oct 20, 2016 · US
Electrolysis stack and electrolyzer
US-2016281248-A1 · Sep 29, 2016 · US
Hydrogen producing cell, hydrogen producing device, and energy system including the hydrogen producing device
US-9447509-B2 · Sep 20, 2016 · US
An electrochemical method for producing pure-oxygen gas and oxygen-lean gas from oxygen-containing gas mixtures
US-2016265122-A1 · Sep 15, 2016 · US
Electrochemical Process for Conversion of Biodiesel to Aviation Fuels
US-2016237361-A1 · Aug 18, 2016 · US
Electrolytic water generator, electrolytic water generating method and electrolytic water
US-2016200573-A1 · Jul 14, 2016 · US
Hydrogen refining pressure-boosting device
US-2016168730-A1 · Jun 16, 2016 · US
Generation of high pressure oxygen via electrochemical pumping in a multi-stage electrolysis stack
US-9358501-B1 · Jun 7, 2016 · US
Differential pressure water electrolysis system
US-2016122885-A1 · May 5, 2016 · US
Recovery of Tritium from Molten Lithium Blanket
US-2016122881-A1 · May 5, 2016 · US
Cell unit, cell stack device, cell unit device and module
US-2016122884-A1 · May 5, 2016 · US
Unknown
US-2016102410-A1 · Apr 14, 2016 · US
Method for controlling an electrolysis system taking into account the temperature of the electrolyser modules of the said electrolysis system
US-2016104908-A1 · Apr 14, 2016 · US
Bipolar-electrode electrolytic cell
US-9309600-B2 · Apr 12, 2016 · US
Glass compositions for gaskets of apparatuses operating at high temperatures and assembling method using them
US-9309144-B2 · Apr 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B9/70?
- CPC C25B9/70 is the Cooperative Patent Classification code for “Assemblies comprising two or more cells.”
- How many patents are filed under CPC C25B9/70 (Assemblies comprising two or more cells)?
- Our database includes 705 publications tagged with this CPC code.
- Is patent activity under CPC C25B9/70 growing?
- Publication counts under this code: 127 in 2024 vs 128 in 2025 (latest complete years).