Buffer management and identification in bioprocessing system
US-11899028-B2 · Feb 13, 2024 · US
Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes · 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 | B01D65/00 |
| Official title | Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes |
| Display label | Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes |
| Total patents | 174 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 19 |
| 2017 | 21 |
| 2018 | 15 |
| 2019 | 12 |
| 2020 | 20 |
| 2021 | 9 |
| 2022 | 13 |
| 2023 | 10 |
| 2024 | 14 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hollow-fiber-type blood processing device and method
US-2017348639-A1 · Dec 7, 2017 · US
Sealing agent for ion transport membranes
US-9834471-B2 · Dec 5, 2017 · US
Leak testing of a pressure vessel
US-9802162-B2 · Oct 31, 2017 · US
Method for priming hollow-fiber membrane module
US-2017232180-A1 · Aug 17, 2017 · US
Filtration device
US-2017209835-A1 · Jul 27, 2017 · US
Filtration filter
US-2017203260-A1 · Jul 20, 2017 · US
Sealing agent for ion transport membranes
US-2017137318-A1 · May 18, 2017 · US
Spliced fiber-reinforced outer shell for cylindrical filtration element
US-9623379-B2 · Apr 18, 2017 · US
Hollow fiber membrane module, filtration apparatus using the same, and method for manufacturing the filtration apparatus
US-9597639-B2 · Mar 21, 2017 · US
Multi-compartment dosage form articles
US-9561189-B2 · Feb 7, 2017 · US
Condition monitoring for an air separation module
US-2017014774-A1 · Jan 19, 2017 · US
Fixing member and membrane module unit
US-9522361-B2 · Dec 20, 2016 · US
Device and method for positioning a detonator within a perforating gun assembly
US-2016356132-A1 · Dec 8, 2016 · US
System and method for installing filtering membrane module to frame structure
US-9512016-B2 · Dec 6, 2016 · US
Spiral separation membrane element
US-9504963-B2 · Nov 29, 2016 · US
Filtering apparatus
US-9504965-B2 · Nov 29, 2016 · US
Method of estimating stable state membrane filtration flux
US-9492791-B2 · Nov 15, 2016 · US
Gas sparger for an immersed membrane
US-2016310905-A1 · Oct 27, 2016 · US
Purification system with manifold assembly and removable filter cassette
US-9468872-B2 · Oct 18, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D65/00?
- CPC B01D65/00 is the Cooperative Patent Classification code for “Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes.”
- How many patents are filed under CPC B01D65/00 (Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes)?
- Our database includes 174 publications tagged with this CPC code.
- Is patent activity under CPC B01D65/00 growing?
- Publication counts under this code: 14 in 2024 vs 10 in 2025 (latest complete years).