Water splitting electrode
US-2026002273-A1 · Jan 1, 2026 · US
of the spinel type
of the spinel type · 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 | C25B11/0771 |
| Official title | {of the spinel type} |
| Display label | of the spinel type |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transition metal-doped oxide nanoparticles grown on nickel foam for electrochemical generation of hydrogen
US-2025361631-A1 · Nov 27, 2025 · US
Catalysts and methods for making and using the same
US-2025149601-A1 · May 8, 2025 · US
Metal compound thin film, method of forming the same and thin flim catalyst for water electrolysis
US-2025137139-A1 · May 1, 2025 · US
Molybdenum-doped zinc/cobalt oxide electrocatalyst for hydrogen production
US-12276034-B1 · Apr 15, 2025 · US
Zinc chromium vanadate spinel oxide (zcvo) nanostructure-based electrocatalyst for energy generation and storage
US-2025104935-A1 · Mar 27, 2025 · US
Proton exchange membrane and catalyst-coated proton exchange membrane
US-2024426009-A1 · Dec 26, 2024 · US
Nano flake-shaped spinel oxidation catalyst for anion exchange membrane water electrolysis and preparation method thereof
US-2024392453-A1 · Nov 28, 2024 · US
Anode for alkaline water electrolysis and method for producing same
US-11965256-B2 · Apr 23, 2024 · US
Electrolysis electrode and method for manufacturing same
US-11866834-B2 · Jan 9, 2024 · US
Electrochemical systems and methods
US-2023332300-A1 · Oct 19, 2023 · US
Anode for alkaline water electrolysis and method for producing same
US-2023323547-A1 · Oct 12, 2023 · US
Trimetallic layered double hydroxide composition
US-11643740-B2 · May 9, 2023 · US
Method and apparatus for water electrolysis, and method for determining drive potential of water electrolysis
US-11572630-B2 · Feb 7, 2023 · US
Oxygen catalyst and electrode using said oxygen catalyst
US-2022085387-A1 · Mar 17, 2022 · US
Trimetallic layered double hydroxide composition
US-2021348284-A1 · Nov 11, 2021 · US
Method and apparatus for water electrolysis, and method for determining drive potential of water electrolysis
US-2021301406-A1 · Sep 30, 2021 · US
Electrolysis electrode and method for manufacturing same
US-2020407860-A1 · Dec 31, 2020 · US
Hydrogen evolution reaction catalyst
US-10724145-B2 · Jul 28, 2020 · US
Method of making Co3O4 nanorods for electrocatalytic water splitting
US-10533258-B2 · Jan 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B11/0771?
- CPC C25B11/0771 is the Cooperative Patent Classification code for “of the spinel type.”
- How many patents are filed under CPC C25B11/0771 (of the spinel type)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C25B11/0771 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).