Proton-conducting solid oxide electrolyzers, related electrodes and methods for producing hydrogen gas
US-2025376772-A1 · Dec 11, 2025 · US
Ceramics
Ceramics · 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 | C25B11/047 |
| Official title | Ceramics |
| Display label | Ceramics |
| Total patents | 69 |
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 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 12 |
| 2024 | 12 |
| 2025 | 17 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical synthesis of cementitious compounds
US-12428738-B2 · Sep 30, 2025 · US
Electrode
US-2025293266-A1 · Sep 18, 2025 · US
Aerobic electrocatalytic oxidation of hydrocarbons
US-12410528-B2 · Sep 9, 2025 · US
Chemical free extraction of lithium from brine
US-2025230074-A1 · Jul 17, 2025 · US
Air electrode composites, methods of manufacturing the same, and electrochemical cell including the same
US-2025233164-A1 · Jul 17, 2025 · US
Integrated system(s) and methods for continuous electrochemical capture and reduction of co2 from dilute sources
US-2025223710-A1 · Jul 10, 2025 · US
Electrochemical lithium extraction and recovery
US-2025215577-A1 · Jul 3, 2025 · US
Method for electrochemical co2 decomposition
US-2025163588-A1 · May 22, 2025 · US
Reactor Device for Converting Powdered Metal Oxides and Conversion System Comprising Same
US-2025135430-A1 · May 1, 2025 · US
Systems and methods for separation of carbon dioxide
US-2025034721-A1 · Jan 30, 2025 · US
Method for preparing iridium oxide
US-2024417276-A1 · Dec 19, 2024 · US
Pre-seeding lithium in one-dimensional olivine hosts for lithium extraction
US-2024391777-A1 · Nov 28, 2024 · US
Solid oxide cell stack
US-2024332676-A1 · Oct 3, 2024 · US
Method for generating hydrogen by decoupled water electrolysis
US-2024327998-A1 · Oct 3, 2024 · US
Hydrogen gas production systems and related electrolysis cells
US-12098467-B2 · Sep 24, 2024 · US
Direct conversion of air to ammonia via advanced manufactured electrochemical reactors
US-2024301569-A1 · Sep 12, 2024 · US
Electrochemical reduction method, catalyst, and method for producing catalyst
US-2024229258-A9 · Jul 11, 2024 · US
Electrochemical phosphate removal and recovery cells
US-2024200203-A1 · Jun 20, 2024 · US
Materials for ammonia synthesis
US-12012662-B2 · Jun 18, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B11/047?
- CPC C25B11/047 is the Cooperative Patent Classification code for “Ceramics.”
- How many patents are filed under CPC C25B11/047 (Ceramics)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC C25B11/047 growing?
- Publication counts under this code: 12 in 2024 vs 17 in 2025 (latest complete years).