Electrochemical production of hydrogen and lithium hydroxide under defined flow conditions
US-2026085431-A1 · Mar 26, 2026 · US
Recycling the cathodic or anodic feed
Recycling the cathodic or anodic feed · 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 | C02F2201/46185 |
| Official title | Recycling the cathodic or anodic feed |
| Display label | Recycling the cathodic or anodic feed |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical water remediation to remove trace organics using lithium battery cathode waste
US-2026062321-A1 · Mar 5, 2026 · US
Device and method for selective oxidation of macromolecular organic pollutants using free radicals produced in heterogeneous fenton reaction
US-12545603-B2 · Feb 10, 2026 · US
Ion removal devices based on electrochemistry and photo-electrochemistry, and preparation method and application
US-12384701-B2 · Aug 12, 2025 · US
Sustainable input streams for electrolytic generation system
US-2025223201-A1 · Jul 10, 2025 · US
Fertigation water treatment
US-12325646-B2 · Jun 10, 2025 · US
Electrochemical system with concentration recirculation in cyclic batch mode
US-12194417-B2 · Jan 14, 2025 · US
Extraction of ammonia and sulfuric acid from ammonium-sulfate-rich (waste) waters
US-2024335793-A1 · Oct 10, 2024 · US
Electrochemical water treatment reactor and water treatment method using same
US-2024327254-A1 · Oct 3, 2024 · US
Environmental-friendly Process for the Treatment of Wastewater
US-2024294410-A1 · Sep 5, 2024 · US
High fluid velocity cell design for the electrochemical generation of hydrogen and carbon dioxide
US-2024240338-A1 · Jul 18, 2024 · US
Systems and Methods for Electrochemical Hydrogen Looping
US-2024133051-A1 · Apr 25, 2024 · US
Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation
US-2024043294-A1 · Feb 8, 2024 · US
Half-cell electrochemical configurations for self-cleaning electrochlorination devices
US-2024034648-A1 · Feb 1, 2024 · US
Combined electrochemical advanced oxidation process for removal of organic contamination in water
US-2024010529-A1 · Jan 11, 2024 · US
Hydrogen production system and hydrogen production method
US-2023416927-A1 · Dec 28, 2023 · US
Electrified Membrane Flow-Cell Reactor For Concurrent Nitrate Reduction And Ammonia Production From Wastewater
US-2023365442-A1 · Nov 16, 2023 · US
Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation
US-11802063-B2 · Oct 31, 2023 · US
Half-cell electrochemical configurations for self-cleaning electrochlorination devices
US-11795074-B2 · Oct 24, 2023 · US
Ion exchange membrane composition and methods for the concentration of perfluoroalkyl substances
US-2023130585-A1 · Apr 27, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2201/46185?
- CPC C02F2201/46185 is the Cooperative Patent Classification code for “Recycling the cathodic or anodic feed.”
- How many patents are filed under CPC C02F2201/46185 (Recycling the cathodic or anodic feed)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C02F2201/46185 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).