Photocatalytic co2 reduction with co-catalyst decorated nanostructures
US-2025346492-A1 · Nov 13, 2025 · US
in gaseous phase
in gaseous phase · 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 | C01B3/045 |
| Official title | {in gaseous phase} |
| Display label | in gaseous phase |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photocatalytic splitting of water
US-2025346485-A1 · Nov 13, 2025 · US
Apparatus, system and method for producing hydrogen peroxide, hydrocarbon(s) and syngas
US-2025283227-A1 · Sep 11, 2025 · US
Molten salt heat exchange system for continuous solar production of h2
US-2025282613-A1 · Sep 11, 2025 · US
Oxygen transport reactors for co-generating ammonia and power
US-12370522-B2 · Jul 29, 2025 · US
Solar receiver-reactor
US-12240756-B2 · Mar 4, 2025 · US
Apparatus and method for isolating hydrogen from water
US-2024409400-A1 · Dec 12, 2024 · US
Apparatus and method for isolating hydrogen from water
US-2024408561-A1 · Dec 12, 2024 · US
Apparatus and method for isolating hydrogen from water
US-2024409401-A1 · Dec 12, 2024 · US
Photocatalytic apparatus
US-2024189791-A1 · Jun 13, 2024 · US
Photocatalyst decomposition system
US-2024139723-A1 · May 2, 2024 · US
Silicon carbide (SiC)-loaded graphene photocatalyst for hydrogen production under visible light irradiation and preparation thereof
US-11969716-B2 · Apr 30, 2024 · US
Oxygen transport reactors for co-generating ammonia and power
US-2023405545-A1 · Dec 21, 2023 · US
Silicon carbide (SiC)-loaded graphene photocatalyst for hydrogen production under visible light irradiation and preparation thereof
US-2023390746-A1 · Dec 7, 2023 · US
Hydrocarbon byproduct monitoring of fibrous substrates
US-11747311-B2 · Sep 5, 2023 · US
Method and device for carrying out endothermic gas phase-solid or gas-solid reactions
US-11691115-B2 · Jul 4, 2023 · US
Dissimilar metal-doped cerium oxide and method for producing the same
US-2023143920-A1 · May 11, 2023 · US
Carbon dioxide hydrogenation systems
US-2022372638-A1 · Nov 24, 2022 · US
Hydrocarbon byproduct monitoring of fibrous substrates
US-2022299484-A1 · Sep 22, 2022 · US
Methods for carbon dioxide hydrogenation
US-11421330-B2 · Aug 23, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/045?
- CPC C01B3/045 is the Cooperative Patent Classification code for “in gaseous phase.”
- How many patents are filed under CPC C01B3/045 (in gaseous phase)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/045 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).