Plasmonic titanium nitride-containing mixed matrix membranes and related membrane distillation methods
US-2025352955-A1 · Nov 20, 2025 · US
Group 8, 9 or 10 metals
Group 8, 9 or 10 metals · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D71/0223 |
| Official title | {Group 8, 9 or 10 metals} |
| Display label | Group 8, 9 or 10 metals |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solar seawater desalination membrane, preparation method and seawater desalination treatment method thereof
US-2025345753-A1 · Nov 13, 2025 · US
Catalytic proton transport membranes and methods of making and use thereof
US-12418033-B2 · Sep 16, 2025 · US
Modular Membrane Materials for Separation Systems and Methods of Use thereof
US-2025269332-A1 · Aug 28, 2025 · US
Particle capture filtration membrane, method for manufacturing the same, and method for measuring particle count
US-2025256246-A1 · Aug 14, 2025 · US
Multi-functional molybdenum-iron nanosheets and nanocomposites thereof
US-2025242312-A1 · Jul 31, 2025 · US
Diaphragm for use with hydrogen-containing fluid media and transducer comprising such a diaphragm
US-2025052634-A1 · Feb 13, 2025 · US
Use of molten salt to separate carbon from a molten metal catalyst
US-12168606-B2 · Dec 17, 2024 · US
Inorganic structure body, device, and method for manufacturing inorganic structure body
US-12048900-B2 · Jul 30, 2024 · US
Method for the fabrication of a pore comprising metallic membrane and a pore comprising membrane
US-12048901-B2 · Jul 30, 2024 · US
Porous composite
US-2024116008-A1 · Apr 11, 2024 · US
Composite membrane and preparation method thereof
US-11813578-B2 · Nov 14, 2023 · US
Ammonia membrane reactor comprising a composite membrane
US-11806704-B2 · Nov 7, 2023 · US
A palladium-based membrane
US-2023128487-A1 · Apr 27, 2023 · US
Hydrogen isotope separation systems
US-2023017076-A1 · Jan 19, 2023 · US
Ammonia membrane reactor comprising a composite membrane
US-2022347644-A1 · Nov 3, 2022 · US
Ammonia membrane reactor comprising a composite membrane
US-11465114-B2 · Oct 11, 2022 · US
Catalytic proton transport membranes and methods of making and use thereof
US-2022293965-A1 · Sep 15, 2022 · US
Hydrogen isotope separation methods and systems
US-11433353-B2 · Sep 6, 2022 · US
Use of molten salt to separate carbon from a molten metal catalyst
US-2022119259-A1 · Apr 21, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D71/0223?
- CPC B01D71/0223 is the Cooperative Patent Classification code for “Group 8, 9 or 10 metals.”
- How many patents are filed under CPC B01D71/0223 (Group 8, 9 or 10 metals)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC B01D71/0223 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).