Ceramic base material, ceramic support, and separation membrane complex
US-2024399316-A1 · Dec 5, 2024 · US
Oxides
Oxides · 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 | B01D71/024 |
| Official title | {Oxides} |
| Display label | Oxides |
| Total patents | 612 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 45 |
| 2016 | 45 |
| 2017 | 59 |
| 2018 | 54 |
| 2019 | 76 |
| 2020 | 89 |
| 2021 | 61 |
| 2022 | 55 |
| 2023 | 48 |
| 2024 | 39 |
| 2025 | 36 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method to embed ceramic nanoparticles into transparent polymer membranes
US-2024039035-A1 · Feb 1, 2024 · US
Composite oxygen transport membrane
US-9492784-B2 · Nov 15, 2016 · US
Thin solid oxide cell
US-9496576-B2 · Nov 15, 2016 · US
Composite oxygen transport membrane
US-9486735-B2 · Nov 8, 2016 · US
Processes using molecular sieve SSZ-100
US-9468917-B2 · Oct 18, 2016 · US
Ceramic filter
US-9427687-B2 · Aug 30, 2016 · US
Processes Utilising Selectively Permeable Membranes
US-2016193564-A1 · Jul 7, 2016 · US
Membrane separation process and membrane plant for energy-efficient production of oxygen
US-2016136571-A1 · May 19, 2016 · US
Honeycomb-shaped ceramic separation-membrane structure
US-9327246-B2 · May 3, 2016 · US
Porous body and honeycomb-shaped ceramic separation-membrane structure
US-9321016-B2 · Apr 26, 2016 · US
Grafted Polymer Nanocomposite Materials, Systems, And Methods
US-2016101386-A1 · Apr 14, 2016 · US
Super-surface selective nanomembranes providing simultaneous high permeation flux and high selectivity
US-9308501-B2 · Apr 12, 2016 · US
Composite separation membrane including graphene oxide coating layer and method for manufacturing the same
US-2016074814-A1 · Mar 17, 2016 · US
Crossflow type filtering operation method using ceramic filter
US-9266810-B2 · Feb 23, 2016 · US
Method of fabricating nanoporous organic-inorganic hybird film and nanoporous organic-inorganic hybird film manufactured by the method and nanoporous membrane employing the nanoporous organic-inorganic hybird film
US-2015375175-A1 · Dec 31, 2015 · US
Filtering article containing titania nanotubes
US-2015367289-A1 · Dec 24, 2015 · US
Systems, compositions, and methods for fluid purification
US-9216390-B2 · Dec 22, 2015 · US
Processes using molecular sieve ssz-99
US-2015353367-A1 · Dec 10, 2015 · US
Processes using molecular sieve ssz-100
US-2015353368-A1 · Dec 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D71/024?
- CPC B01D71/024 is the Cooperative Patent Classification code for “Oxides.”
- How many patents are filed under CPC B01D71/024 (Oxides)?
- Our database includes 612 publications tagged with this CPC code.
- Is patent activity under CPC B01D71/024 growing?
- Publication counts under this code: 39 in 2024 vs 36 in 2025 (latest complete years).