Multi-compartment hybrid CO2 electrochemical reducer and hydrogen fuel cell
US-2024076783-A1 · Mar 7, 2024 · US
characterised by the material
characterised by the material · 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 | C25B13/04 |
| Official title | characterised by the material |
| Display label | characterised by the material |
| Total patents | 291 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 29 |
| 2017 | 20 |
| 2018 | 20 |
| 2019 | 36 |
| 2020 | 27 |
| 2021 | 31 |
| 2022 | 23 |
| 2023 | 35 |
| 2024 | 25 |
| 2025 | 26 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical compression system
US-2017350024-A1 · Dec 7, 2017 · US
Nanoelectrodes for water splitting
US-2017342577-A1 · Nov 30, 2017 · US
Anode assembly, contact strips, electrochemical cell, and methods to use and manufacture thereof
US-2017342576-A1 · Nov 30, 2017 · US
Electrode comprising heavily-doped ceria
US-2017346088-A1 · Nov 30, 2017 · US
Bipolar plate for electrochemical cells and method for the production thereof
US-2017309925-A1 · Oct 26, 2017 · US
Carbon gasification assisted solid oxide electrolysis cell
US-2017292197-A1 · Oct 12, 2017 · US
Membrane electrode assembly and solid oxide fuel cell
US-2017288251-A1 · Oct 5, 2017 · US
Calcium silicate hydrate anion exchange membrane useful for water electrolysis and fuel cells and a process for the preparation thereof
US-2017218525-A1 · Aug 3, 2017 · US
Steam electrolysis cell
US-2017211193-A1 · Jul 27, 2017 · US
Alkylene oxide synthesis
US-9688647-B2 · Jun 27, 2017 · US
Electrochemical process for gas separation
US-2017113182-A1 · Apr 27, 2017 · US
Bipolar plate with force concentrator pattern
US-2017082097-A1 · Mar 23, 2017 · US
Electrochemical device comprising a proton-conducting ceramic electrolyte
US-9601794-B2 · Mar 21, 2017 · US
Process for oxidation reactions
US-2017067169-A1 · Mar 9, 2017 · US
Partial oxidation of methane (POM) assisted solid oxide co-electrolysis
US-9574274-B2 · Feb 21, 2017 · US
Multi-component bipolar plate for an electrochemical cell
US-2017047596-A1 · Feb 16, 2017 · US
Photochemical reaction device
US-2016376712-A1 · Dec 29, 2016 · US
Water solvated glass/amorphous solid ionic conductors
US-2016368777-A1 · Dec 22, 2016 · US
Metallic plate with at least one measuring structure and method of producing a metallic plate with at least one measuring structure
US-2016351921-A1 · Dec 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B13/04?
- CPC C25B13/04 is the Cooperative Patent Classification code for “characterised by the material.”
- How many patents are filed under CPC C25B13/04 (characterised by the material)?
- Our database includes 291 publications tagged with this CPC code.
- Is patent activity under CPC C25B13/04 growing?
- Publication counts under this code: 25 in 2024 vs 26 in 2025 (latest complete years).