Filter apparatus for semiconductor device fabrication process
US-2021362291-A1 · Nov 25, 2021 · US
Use of membranes of different materials or properties within one module
Use of membranes of different materials or properties within one module · 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 | B01D2319/06 |
| Official title | Use of membranes of different materials or properties within one module |
| Display label | Use of membranes of different materials or properties within one module |
| Total patents | 111 |
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 | 5 |
| 2017 | 11 |
| 2018 | 11 |
| 2019 | 14 |
| 2020 | 10 |
| 2021 | 13 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-stage membrane systems with polymeric and microporous zeolitic inorganic membranes for gas separations
US-11033856-B2 · Jun 15, 2021 · US
Filtering device, purification device, and method for manufacturing chemical liquid
US-2020384416-A1 · Dec 10, 2020 · US
Particle separation and/or purification of a fluid
US-10792618-B2 · Oct 6, 2020 · US
Advanced filtration membranes using chitosan and graphene oxide
US-2020215495-A1 · Jul 9, 2020 · US
Method and apparatus for in situ product recovery
US-2020197871-A1 · Jun 25, 2020 · US
Integrated ultrafiltration membrane and ion-exchange filtration system
US-10688441-B2 · Jun 23, 2020 · US
Osmotically and thermally isolated forward osmosis-membrane distillation (FO-MD) integrated module for water treatment applications
US-10688439-B2 · Jun 23, 2020 · US
Disposable filter capsule for a filtration device
US-2020164289-A1 · May 28, 2020 · US
Filtering device, purification device, chemical liquid manufacturing device, filtered substance to be purified, chemical liquid, and actinic ray-sensitive or radiation-sensitive resin composition
US-2020147528-A1 · May 14, 2020 · US
Oxygenator
US-2020129687-A1 · Apr 30, 2020 · US
Advanced filtration membranes using chitosan and graphene oxide
US-10596525-B2 · Mar 24, 2020 · US
Multi-stage membrane systems with polymeric and microporous zeolitic inorganic membranes for gas separations
US-2019381449-A1 · Dec 19, 2019 · US
Particle separation and/or purification of a fluid
US-2019381457-A1 · Dec 19, 2019 · US
Filtration device
US-10434473-B2 · Oct 8, 2019 · US
Hollow fiber membrane bundle, artificial lung, and method of manufacturing hollow fiber membrane
US-10406258-B2 · Sep 10, 2019 · US
Water purification system
US-10399021-B2 · Sep 3, 2019 · US
Multi-effect membrane distillation
US-10392270-B2 · Aug 27, 2019 · US
Dust and splash-proof filter
US-2019232231-A1 · Aug 1, 2019 · US
Gas separation process
US-10335734-B2 · Jul 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2319/06?
- CPC B01D2319/06 is the Cooperative Patent Classification code for “Use of membranes of different materials or properties within one module.”
- How many patents are filed under CPC B01D2319/06 (Use of membranes of different materials or properties within one module)?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC B01D2319/06 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).