Separation membrane
US-10799837-B2 · Oct 13, 2020 · US
Details relating to the spinneret
Details relating to the spinneret · 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 | B01D69/085 |
| Official title | {Details relating to the spinneret} |
| Display label | Details relating to the spinneret |
| Total patents | 97 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 11 |
| 2017 | 13 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thin film composite hollow fibre membrane
US-2020298185-A1 · Sep 24, 2020 · US
Porous hollow fiber membrane and method for producing same
US-2020289991-A1 · Sep 17, 2020 · US
Separation membrane and method for producing same
US-10702834-B2 · Jul 7, 2020 · US
Spinneret, Device Having A Spinneret, Method For Producing A Hollow Fiber Or Hollow Fiber Membrane By Means Of A Spinneret And Filter
US-2020156014-A1 · May 21, 2020 · US
Variable-diameter spinning nozzle and processing devices for hollow fiber membrane bundle and membrane module
US-2020070100-A1 · Mar 5, 2020 · US
Nanofiltration membrane and method of manufacturing a nanofiltration membrane
US-10525423-B2 · Jan 7, 2020 · US
Porous hollow fiber membrane
US-10456753-B2 · Oct 29, 2019 · US
Fiber-reinforced porous hollow fiber membrane
US-10434477-B2 · Oct 8, 2019 · US
Producing Fibers Using Spinnerets
US-2019233971-A1 · Aug 1, 2019 · US
Producing Fibers Using Spinnerets
US-2019233972-A1 · Aug 1, 2019 · US
Hybrid polymeric hollow fiber membrane, hybrid carbon molecular sieve hollow fiber membrane, and processes for preparing the same
US-2019176090-A1 · Jun 13, 2019 · US
Method, spinneret and system for fabricating multilayer membranes
US-2019099724-A1 · Apr 4, 2019 · US
Porous hollow fiber membrane
US-2019070565-A1 · Mar 7, 2019 · US
Hollow microfiber
US-10221382-B2 · Mar 5, 2019 · US
Separation membrane
US-2019046931-A1 · Feb 14, 2019 · US
Method for the high-throughput preparation of carbon nanotube hollow fiber membranes
US-10179314-B2 · Jan 15, 2019 · US
Porous hollow fiber membrane
US-2018369757-A1 · Dec 27, 2018 · US
Membrane-forming dope for carbon membranes and a method for producing a carbon hollow fiber membrane using the same
US-10150085-B2 · Dec 11, 2018 · US
Method for producing a carbon hollow fiber membrane
US-10150086-B2 · Dec 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D69/085?
- CPC B01D69/085 is the Cooperative Patent Classification code for “Details relating to the spinneret.”
- How many patents are filed under CPC B01D69/085 (Details relating to the spinneret)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC B01D69/085 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).