Controlled printing surface and method of forming topographical features on a controlled printing surface
US-2025375924-A1 · Dec 11, 2025 · US
by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods · 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 | B01D67/0032 |
| Official title | {by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods} |
| Display label | by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods |
| Total patents | 63 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 14 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter apparatus for semiconductor device fabrication process
US-2025296052-A1 · Sep 25, 2025 · US
Porous membranes and methods of making and using thereof
US-2025222409-A1 · Jul 10, 2025 · US
In Vivo Blood Filtration Membranes and Devices
US-2025214040-A1 · Jul 3, 2025 · US
Filter apparatus for semiconductor device fabrication process
US-12343684-B2 · Jul 1, 2025 · US
Macroporous graphene membrane
US-2025153116-A1 · May 15, 2025 · US
Microfluidic diffusion devices and systems, and methods of manufacturing and using same
US-12296080-B2 · May 13, 2025 · US
In vivo blood filtration membranes and devices
US-12226736-B2 · Feb 18, 2025 · US
Porous etched ion-track polymer membrane as a separator for a battery
US-12176476-B2 · Dec 24, 2024 · US
Device and method for separating particles in a liquid, kit containing the device, and applications of the device
US-2024316506-A1 · Sep 26, 2024 · US
Filter apparatus for semiconductor device fabrication process
US-11826709-B2 · Nov 28, 2023 · US
Filter apparatus for semiconductor device fabrication process
US-2023372878-A1 · Nov 23, 2023 · US
Microfluidic diffusion devices and systems, and methods of manufacturing and using same
US-11759558-B2 · Sep 19, 2023 · US
Method of gas separation using metal-organic framework membrane
US-11731077-B2 · Aug 22, 2023 · US
Porous resin structures
US-11724232-B2 · Aug 15, 2023 · US
Microfluidic Diffusion Devices And Systems, And Methods Of Manufacturing And Using Same
US-2023084914-A1 · Mar 16, 2023 · US
Filter apparatus for semiconductor device fabrication process
US-2022379265-A1 · Dec 1, 2022 · US
Method of gas separation using metal-organic framework membrane
US-2022355241-A1 · Nov 10, 2022 · US
Gas separation membrane containing metal-organic frameworks and methods of making thereof
US-11478744-B2 · Oct 25, 2022 · US
Waterproof gas-permeable membrane, waterproof gas-permeable member and waterproof gas-permeable structure including same, and waterproof sound-permeable membrane
US-11478760-B2 · Oct 25, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D67/0032?
- CPC B01D67/0032 is the Cooperative Patent Classification code for “by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods.”
- How many patents are filed under CPC B01D67/0032 (by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC B01D67/0032 growing?
- Publication counts under this code: 2 in 2024 vs 11 in 2025 (latest complete years).