Quantum-dot ligand, quantum-dot catalyst and quantum-dot device
US-2022379289-A1 · Dec 1, 2022 · US
Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof
Cells or assemblies of cells comprising photoelectrodes; 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 | C25B9/50 |
| Official title | Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof |
| Display label | Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof |
| Total patents | 155 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 14 |
| 2021 | 18 |
| 2022 | 16 |
| 2023 | 29 |
| 2024 | 31 |
| 2025 | 22 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photoelectrochemical device for the capture, concentration and collection of atmospheric carbon dioxide
US-2022323900-A1 · Oct 13, 2022 · US
Photoelectrochemical cells
US-11453952-B2 · Sep 27, 2022 · US
Solid electrolyte-based photoelectrochemical cell for production of pure hydrogen peroxide solution, and method of fabricating same
US-2022290313-A1 · Sep 15, 2022 · US
Single atom catalyst having a two dimensional support material
US-2022111358-A1 · Apr 14, 2022 · US
Systems for driving the generation of products using quantum vacuum fluctuations
US-11251723-B2 · Feb 15, 2022 · US
Photocathode structure, method of fabricating the same, and hybrid electric generating element including the same
US-2021395909-A1 · Dec 23, 2021 · US
Carbon Dioxide Gas-Phase Reduction Device and Carbon Dioxide Gas-Phase Reduction Method
US-2021395907-A1 · Dec 23, 2021 · US
Photoelectrochemical photoelectrode for water splitting capable of scale-up and water splitting apparatus including the same
US-2021355587-A1 · Nov 18, 2021 · US
Electrochemical and photoelectrochemical oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid and 2,5-diformylfuran
US-11136679-B2 · Oct 5, 2021 · US
Device for solar light driven co2 reduction in water
US-2021262102-A1 · Aug 26, 2021 · US
Thermal- and photo-assisted aftertreatment of nitrogen oxides
US-11097222-B2 · Aug 24, 2021 · US
Photoelectrode for hydrogen generation in solar water splitting and manufacturing method thereof
US-2021254225-A1 · Aug 19, 2021 · US
Hydrogen production
US-2021238755-A1 · Aug 5, 2021 · US
Photocatalyst electrode and method for producing photocatalyst electrode
US-2021238758-A1 · Aug 5, 2021 · US
Energy transferring type photoelectrode, manufacturing method for the same, and water decomposition system including the same
US-2021222305-A1 · Jul 22, 2021 · US
Carbon Dioxide Reduction Device
US-2021197166-A1 · Jul 1, 2021 · US
Catalyst and use of same
US-11045791-B2 · Jun 29, 2021 · US
Semiconductor Photoelectrode
US-2021123150-A1 · Apr 29, 2021 · US
Thermal- And Photo-Assisted Aftertreatment Of Nitrogen Oxides
US-2021113965-A1 · Apr 22, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B9/50?
- CPC C25B9/50 is the Cooperative Patent Classification code for “Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof.”
- How many patents are filed under CPC C25B9/50 (Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof)?
- Our database includes 155 publications tagged with this CPC code.
- Is patent activity under CPC C25B9/50 growing?
- Publication counts under this code: 31 in 2024 vs 22 in 2025 (latest complete years).