Ceramic whole blood hollow fiber membrane filter medium and use thereof for separating blood plasma/serum from whole blood
US-10500328-B2 · Dec 10, 2019 · US
characterised by the fibre diameter
characterised by the fibre diameter · 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 | B01D69/081 |
| Official title | {characterised by the fibre diameter} |
| Display label | characterised by the fibre diameter |
| Total patents | 190 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 14 |
| 2017 | 15 |
| 2018 | 13 |
| 2019 | 21 |
| 2020 | 28 |
| 2021 | 21 |
| 2022 | 15 |
| 2023 | 23 |
| 2024 | 18 |
| 2025 | 7 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite hollow fiber membrane and method for producing same
US-10478782-B2 · Nov 19, 2019 · US
Porous hollow fiber membrane and method for producing porous hollow fiber membrane
US-2019314767-A1 · Oct 17, 2019 · US
Tangential flow depth filtration systems and methods of filtration using same
US-2019276790-A1 · Sep 12, 2019 · US
Method of preparing hierarchical porous channel molecular sieve membrane and application thereof
US-2019262779-A1 · Aug 29, 2019 · US
Highly retentive polyamide hollow fiber membranes produced via controlled shrinkage
US-2019255489-A1 · Aug 22, 2019 · US
Wound care system with a mat of capillary membranes
US-10292871-B2 · May 21, 2019 · US
Hollow microfiber
US-10221382-B2 · Mar 5, 2019 · US
Separation film, cellulose-based resin composition, and method for producing separation film
US-2018280893-A1 · Oct 4, 2018 · US
Pvdf diffusion membrane for gas and liquid transfer
US-2018243699-A1 · Aug 30, 2018 · US
Hollow fiber membrane contactor scrubber/stripper for cabin carbon dioxide and humidity control
US-2018243682-A1 · Aug 30, 2018 · US
Capillary dialyzers
US-10022481-B2 · Jul 17, 2018 · US
Virus filter
US-10005044-B2 · Jun 26, 2018 · US
Method for producing cell concentrate
US-10006842-B2 · Jun 26, 2018 · US
Hollow fiber structures, methods of use thereof, methods of making, and pressure-retarded processes
US-2018169592-A1 · Jun 21, 2018 · US
Very thin tube made from tpu and its production process
US-2018141254-A1 · May 24, 2018 · US
Membrane assisted solvent extraction for rare earth element recovery
US-9968887-B2 · May 15, 2018 · US
Composite hollow fiber membrane and method for producing same
US-2018117537-A1 · May 3, 2018 · US
Hollow fiber membrane and method of preparing the same
US-2018085713-A1 · Mar 29, 2018 · US
Separation membrane
US-2018065093-A1 · Mar 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D69/081?
- CPC B01D69/081 is the Cooperative Patent Classification code for “characterised by the fibre diameter.”
- How many patents are filed under CPC B01D69/081 (characterised by the fibre diameter)?
- Our database includes 190 publications tagged with this CPC code.
- Is patent activity under CPC B01D69/081 growing?
- Publication counts under this code: 18 in 2024 vs 7 in 2025 (latest complete years).