Copper-palladium-loaded mesoporous silicon carbide-based catalyst, preparation method and application thereof
US-2021404077-A1 · Dec 30, 2021 · US
by electroreduction
by electroreduction · 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 | C02F1/4676 |
| Official title | {by electroreduction} |
| Display label | by electroreduction |
| Total patents | 110 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 19 |
| 2021 | 13 |
| 2022 | 14 |
| 2023 | 15 |
| 2024 | 7 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid electrodialysis and electrolysis systems and processes
US-2021387874-A1 · Dec 16, 2021 · US
Sour Water Treatment
US-2021363032-A1 · Nov 25, 2021 · US
Nitrate removal from water bodies using electrocatalytic hydrogen evolution and catalytic hydrogenation
US-2021309544-A1 · Oct 7, 2021 · US
Hydrogen-containing water generator
US-2021300798-A1 · Sep 30, 2021 · US
Gas/liquid plasma reactor with pulsed power supply and secondary direct current electrodes
US-2021206667-A1 · Jul 8, 2021 · US
Water treatment device and water treatment method
US-2021147264-A1 · May 20, 2021 · US
Reactors and methods for producing and recovering extracellular metal or metalloid nanoparticles
US-11008234-B2 · May 18, 2021 · US
Heating apparatus and water electrolysis system
US-10995019-B2 · May 4, 2021 · US
Gas/liquid plasma reactor with pulsed power supply and secondary direct current electrodes
US-10988390-B2 · Apr 27, 2021 · US
Hydrogen water generator
US-2020359832-A1 · Nov 19, 2020 · US
Hydrogen water generator
US-2020361785-A1 · Nov 19, 2020 · US
Hydrogen water generator
US-2020361759-A1 · Nov 19, 2020 · US
Hydrogen water generator
US-2020359831-A1 · Nov 19, 2020 · US
Electrochemical desalination system with coupled electricity storage
US-10822254-B2 · Nov 3, 2020 · US
In-situ delivery systems for reaction product abatement in electrochemical cells
US-10800678-B2 · Oct 13, 2020 · US
Purification unit and purification device
US-2020317543-A1 · Oct 8, 2020 · US
Purification unit and purification device
US-2020317544-A1 · Oct 8, 2020 · US
Filtration system for pet water fountain
US-10787370-B2 · Sep 29, 2020 · US
Complex system for water treatment, desalination, and chemical material production
US-2020277207-A1 · Sep 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/4676?
- CPC C02F1/4676 is the Cooperative Patent Classification code for “by electroreduction.”
- How many patents are filed under CPC C02F1/4676 (by electroreduction)?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/4676 growing?
- Publication counts under this code: 7 in 2024 vs 9 in 2025 (latest complete years).