Microporous Hollow Fiber Webs and Methods of Making Same
US-2026077316-A1 · Mar 19, 2026 · US
characterised by the cross-sectional shape of the fibre
characterised by the cross-sectional shape of the fibre · 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 | B01D69/082 |
| Official title | {characterised by the cross-sectional shape of the fibre} |
| Display label | characterised by the cross-sectional shape of the fibre |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Asymmetric Hollow Fiber Membrane
US-2026070024-A1 · Mar 12, 2026 · US
Covalent organic frameworks on hollow fibre substrates with janus-like characteristics for solvent separation
US-2026034517-A1 · Feb 5, 2026 · US
Feed spacer for reducing differential pressure of reverse osmosis element, and formation nozzle
US-12434193-B2 · Oct 7, 2025 · US
Hollow fiber membrane module and hollow fiber membrane for module
US-2025050275-A1 · Feb 13, 2025 · US
Membrane humidifier for fuel cell, comprising multi-channel hollow fiber membranes
US-12214317-B2 · Feb 4, 2025 · US
Porous membrane and method for manufacturing porous membrane
US-2025001366-A1 · Jan 2, 2025 · US
Hollow fiber membrane and method for producing hollow fiber membrane
US-12048898-B2 · Jul 30, 2024 · US
Hollow fiber membrane and manufacturing method therefor
US-2024216871-A1 · Jul 4, 2024 · US
Filtration system and method for filtering water
US-11904280-B2 · Feb 20, 2024 · US
Hollow fiber membrane for separating blood plasma from blood
US-2023321610-A1 · Oct 12, 2023 · US
Producing fibers using spinnerets
US-11674241-B2 · Jun 13, 2023 · US
Deaerator and Electrolyte Measurement System
US-2022268725-A1 · Aug 25, 2022 · US
Method for preparing multichannel ceramic hollow fiber membrane
US-11390565-B2 · Jul 19, 2022 · US
Composite hollow-fiber membrane and production method therefor
US-11369925-B2 · Jun 28, 2022 · US
Feed spacer for reducing differential pressure of reverse osmosis element, and formation nozzle
US-2022193610-A1 · Jun 23, 2022 · US
Hollow fiber membrane and method for producing hollow fiber membrane
US-2022134289-A1 · May 5, 2022 · US
Filter with interconnected hollow elements and method of use
US-2022088541-A1 · Mar 24, 2022 · US
Method, spinneret and system for fabricating multilayer membranes
US-11247180-B2 · Feb 15, 2022 · US
Membrane humidifier for fuel cell, comprising multi-channel hollow fiber membranes
US-2022013797-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D69/082?
- CPC B01D69/082 is the Cooperative Patent Classification code for “characterised by the cross-sectional shape of the fibre.”
- How many patents are filed under CPC B01D69/082 (characterised by the cross-sectional shape of the fibre)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC B01D69/082 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).