Producing fibers using spinnerets
US-11674241-B2 · Jun 13, 2023 · US
Fibre guidance after spinning through the manufacturing apparatus
Fibre guidance after spinning through the manufacturing apparatus · 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 | B01D69/0871 |
| Official title | {Fibre guidance after spinning through the manufacturing apparatus} |
| Display label | Fibre guidance after spinning through the manufacturing apparatus |
| Total patents | 75 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hollow fiber membrane having improved diffusion properties
US-11628407-B2 · Apr 18, 2023 · US
Carbon nanotube/nanofiber conductive composite membrane and preparation method thereof
US-2022241733-A1 · Aug 4, 2022 · US
High selectivity polyimide/pes blend hollow fiber membrane for gas separations
US-2022184550-A1 · Jun 16, 2022 · US
Hollow fiber membrane and method for producing hollow fiber membrane
US-2022134289-A1 · May 5, 2022 · US
System and method for producing hollow fibre membranes
US-2022088543-A1 · Mar 24, 2022 · US
Separation membrane module
US-2022088539-A1 · Mar 24, 2022 · US
Production of thin film composite hollow fiber membranes
US-11253819-B2 · Feb 22, 2022 · US
On-line drying of hollow fiber membranes
US-2022023803-A1 · Jan 27, 2022 · US
Filament production device
US-11198952-B2 · Dec 14, 2021 · US
Hollow porous fibers
US-11186927-B2 · Nov 30, 2021 · US
Production of thin film composite hollow fiber membranes
US-2021354091-A1 · Nov 18, 2021 · US
Porous hollow fiber membrane
US-2021346849-A1 · Nov 11, 2021 · US
On-line drying of hollow fiber membranes
US-11154820-B2 · Oct 26, 2021 · US
Producing Fibers Using Spinnerets
US-2021047754-A1 · Feb 18, 2021 · US
Producing fibers using spinnerets
US-10889915-B2 · Jan 12, 2021 · US
Porous polymeric hollow filter membrane
US-2020222859-A1 · Jul 16, 2020 · US
Polymeric whole blood hollow fiber membrane filter medium and use thereof for separating blood plasma/serum from whole blood
US-10675399-B2 · Jun 9, 2020 · US
Variable-diameter spinning nozzle and processing devices for hollow fiber membrane bundle and membrane module
US-2020070100-A1 · Mar 5, 2020 · US
Hollow Fiber Membrane Having Improved Diffusion Properties
US-2020030751-A1 · Jan 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D69/0871?
- CPC B01D69/0871 is the Cooperative Patent Classification code for “Fibre guidance after spinning through the manufacturing apparatus.”
- How many patents are filed under CPC B01D69/0871 (Fibre guidance after spinning through the manufacturing apparatus)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC B01D69/0871 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).