Porous membranes for high pressure filtration
US-12064731-B2 · Aug 20, 2024 · US
more than 0.1 and up to 1 µm
more than 0.1 and up to 1 µm · 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 | B01D2325/02834 |
| Official title | more than 0.1 and up to 1 µm |
| Display label | more than 0.1 and up to 1 µm |
| Total patents | 210 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 16 |
| 2021 | 16 |
| 2022 | 30 |
| 2023 | 30 |
| 2024 | 23 |
| 2025 | 31 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hollow fiber membrane and manufacturing method thereof
US-2020360864-A1 · Nov 19, 2020 · US
Carbon dioxide gas separation membrane, method for manufacturing same, and carbon dioxide gas separation membrane module
US-10744454-B2 · Aug 18, 2020 · US
Porous body, polymer electrolyte membrane, filter material for filter, and filter unit
US-10688448-B2 · Jun 23, 2020 · US
Zeolite membrane structure and method for producing same
US-10688445-B2 · Jun 23, 2020 · US
Depth filtration media with multiple organic and/or inorganic materials
US-10668411-B2 · Jun 2, 2020 · US
Porous polyethylene filter membrane with asymmetric pore structure, and related filters and methods
US-2020139309-A1 · May 7, 2020 · US
Porous Membrane for Membrane Distillation, and Method for Operating Membrane Distillation Module
US-2020109070-A1 · Apr 9, 2020 · US
Method for producing a polyphenylsulfone porous hollow fiber membrane
US-2019374909-A1 · Dec 12, 2019 · US
Reverse osmosis membrane
US-2019366269-A1 · Dec 5, 2019 · US
Hollow fiber membrane and method of preparing the same
US-10471395-B2 · Nov 12, 2019 · US
Device for preventing contamination of positive-pressure connector of indwelling needle and method based on same
US-2019329173-A1 · Oct 31, 2019 · US
Porous hollow fiber membrane and method for producing porous hollow fiber membrane
US-2019314767-A1 · Oct 17, 2019 · US
Porous support-zeolite membrane composite, and method for producing porous support-zeolite membrane composite
US-2019299167-A1 · Oct 3, 2019 · US
Porous support-zeolite membrane composite, and method for producing porous support-zeolite membrane composite
US-10369528-B2 · Aug 6, 2019 · US
Gas Separation Membrane
US-2019193022-A1 · Jun 27, 2019 · US
Method of measuring concentration of dissolved organic nitrogen in sewage
US-2019178803-A1 · Jun 13, 2019 · US
Lithium bis(fluorosulfonyl)imide composition
US-2019161356-A1 · May 30, 2019 · US
Cordierite membrane on a cordierite monolith
US-2019161415-A1 · May 30, 2019 · US
Particle capture filtration film and manufacturing method thereof, and porous film and manufacturing method thereof
US-2019076788-A1 · Mar 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2325/02834?
- CPC B01D2325/02834 is the Cooperative Patent Classification code for “more than 0.1 and up to 1 µm.”
- How many patents are filed under CPC B01D2325/02834 (more than 0.1 and up to 1 µm)?
- Our database includes 210 publications tagged with this CPC code.
- Is patent activity under CPC B01D2325/02834 growing?
- Publication counts under this code: 23 in 2024 vs 31 in 2025 (latest complete years).