Nanoporous selective sol-gel ceramic membranes
US-2021362095-A1 · Nov 25, 2021 · US
by sol-gel transition
by sol-gel transition · 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 | B01D67/0048 |
| Official title | {by sol-gel transition} |
| Display label | by sol-gel transition |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 16 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrophobic barrier layer for ceramic indirect evaporative cooling systems
US-2021308625-A1 · Oct 7, 2021 · US
Silica membrane filter
US-11045770-B2 · Jun 29, 2021 · US
Method of production of nanoporous membranes for water purification from metal ions at low differential pressures
US-10906010-B2 · Feb 2, 2021 · US
Ceramic hollow fiber membranes with improved mechanical properties
US-10857505-B2 · Dec 8, 2020 · US
Graphene oxide membranes and methods related thereto
US-10835873-B2 · Nov 17, 2020 · US
MeAPO-18 Membranes with Lamellar Crystal Morphology and Their Preparation
US-2020261857-A1 · Aug 20, 2020 · US
Ceramic proton-conducting membranes
US-2020261856-A1 · Aug 20, 2020 · US
Preparation of new aldehyde and/or ketone traps and filters
US-2020230542-A1 · Jul 23, 2020 · US
Composite body
US-2020197877-A1 · Jun 25, 2020 · US
Nanopourous selective sol-gel ceramic membranes
US-2020101423-A1 · Apr 2, 2020 · US
Ceramic proton-conducting membranes
US-10537854-B2 · Jan 21, 2020 · US
Nanoporous ceramic membranes, membrane structures, and related methods
US-10525417-B2 · Jan 7, 2020 · US
Liquid composition for forming silica porous film and silica porous film formed from such liquid composition
US-10457561-B2 · Oct 29, 2019 · US
Dual function composite oxygen transport membrane
US-10441922-B2 · Oct 15, 2019 · US
Nanoporous selective sol-gel ceramic membranes, selective-membrane structures, and related methods
US-2019217252-A1 · Jul 18, 2019 · US
Silicon phosphate and membrane comprising the same
US-10322942-B2 · Jun 18, 2019 · US
Power distribution system
US-2019015794-A1 · Jan 17, 2019 · US
Ceramic hollow fiber membranes with improved mechanical properties
US-2019015791-A1 · Jan 17, 2019 · US
Super-surface selective nanomembranes providing simultaneous high permeation flux and high selectivity
US-10179313-B2 · Jan 15, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D67/0048?
- CPC B01D67/0048 is the Cooperative Patent Classification code for “by sol-gel transition.”
- How many patents are filed under CPC B01D67/0048 (by sol-gel transition)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC B01D67/0048 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).