Gas separation device with nanocomposite membrane
US-2017348633-A1 · Dec 7, 2017 · US
Silicium oxide
Silicium oxide · 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 | B01D71/027 |
| Official title | {Silicium oxide} |
| Display label | Silicium oxide |
| Total patents | 292 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 20 |
| 2017 | 28 |
| 2018 | 35 |
| 2019 | 35 |
| 2020 | 31 |
| 2021 | 21 |
| 2022 | 31 |
| 2023 | 21 |
| 2024 | 23 |
| 2025 | 20 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas separation device with nanocomposite membrane
US-9815019-B1 · Nov 14, 2017 · US
Gas separation method
US-2017282118-A1 · Oct 5, 2017 · US
Aluminum oxide supported gas permeable membranes
US-2017239624-A1 · Aug 24, 2017 · US
Ceramic filter
US-2017232400-A1 · Aug 17, 2017 · US
Separation membrane structure
US-2017225129-A1 · Aug 10, 2017 · US
Superpolar chromatographic stationary phases and extraction sorbents and their methods of synthesis
US-9700872-B1 · Jul 11, 2017 · US
Separation method and separation apparatus
US-2017190640-A1 · Jul 6, 2017 · US
Microporous articles with a three-dimensional porous network of acid-sintered interconnected silica nanoparticles and methods of making the same
US-2017173535-A1 · Jun 22, 2017 · US
Hydrocarbon Waste Stream Purification Processes Using Microporous Materials Having Filtration and Adsorption Properties
US-2017129789-A1 · May 11, 2017 · US
Method for making a porous silica aerogel composite membrane
US-9636633-B2 · May 2, 2017 · US
Si-y nanocomposite membrane and methods of making and use thereof
US-2017113179-A1 · Apr 27, 2017 · US
Hydrophobic porous silica aerogel composite membrane and vacuum membrane distillation method
US-9617174-B2 · Apr 11, 2017 · US
Method for Making A Porous Silica Aerogel Composite Membrane
US-2017095769-A1 · Apr 6, 2017 · US
Fabrication of hierarchical silica nanomembranes and uses thereof for solid phase extraction of nucleic acids
US-2017096660-A1 · Apr 6, 2017 · US
Semi-permeable membranes and production methods thereof
US-9597641-B2 · Mar 21, 2017 · US
Porous silica aerogel composite membrane and method for making the same and carbon dioxide sorption device
US-9561463-B2 · Feb 7, 2017 · US
Microfiltration device
US-2017030890-A1 · Feb 2, 2017 · US
Fluid emulsion purification processes using microporous materials having filtration and adsorption properties
US-9546326-B2 · Jan 17, 2017 · US
Monolithic substrate, monolithic separation membrane structure, and method for producing monolithic substrate
US-2016375401-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D71/027?
- CPC B01D71/027 is the Cooperative Patent Classification code for “Silicium oxide.”
- How many patents are filed under CPC B01D71/027 (Silicium oxide)?
- Our database includes 292 publications tagged with this CPC code.
- Is patent activity under CPC B01D71/027 growing?
- Publication counts under this code: 23 in 2024 vs 20 in 2025 (latest complete years).