System, method, and device for continuous CO2 capture using a CO2 pump membrane
US-12544710-B2 · Feb 10, 2026 · US
Further operations combined with membrane separation processes
Further operations combined with membrane separation processes · 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 | B01D2311/26 |
| Official title | Further operations combined with membrane separation processes |
| Display label | Further operations combined with membrane separation processes |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lithium recovery using aqueous sources
US-12533605-B2 · Jan 27, 2026 · US
Lithium recovery using aqueous sources
US-12458905-B2 · Nov 4, 2025 · US
Lithium recovery using aqueous sources
US-12447418-B2 · Oct 21, 2025 · US
Lithium recovery using aqueous sources
US-2025281850-A1 · Sep 11, 2025 · US
Systems and methods for organic acid recovery
US-2025276287-A1 · Sep 4, 2025 · US
Bimodal reverse osmosis and pressure retarded osmosis framework
US-12390768-B2 · Aug 19, 2025 · US
Lithium recovery using aqueous sources
US-12280322-B2 · Apr 22, 2025 · US
Plant extract production method
US-2024334963-A1 · Oct 10, 2024 · US
Separation of human milk oligosaccharides from a fermentation broth
US-2024287116-A1 · Aug 29, 2024 · US
Systems and methods for supplying low salinity injection water
US-12036511-B2 · Jul 16, 2024 · US
Lithium recovery using aqueous sources
US-2024165539-A1 · May 23, 2024 · US
System, method, and device for continuous co2 capture using a co2 pump membrane
US-2024115989-A1 · Apr 11, 2024 · US
Lithium recovery using aqueous sources
US-2023364560-A1 · Nov 16, 2023 · US
Lithium recovery using aqueous sources
US-2023366062-A1 · Nov 16, 2023 · US
Lithium recovery using aqueous sources
US-2023356107-A1 · Nov 9, 2023 · US
Apparatus and method for controlling reverse osmosis membrane seawater desalination plant
US-2023131969-A1 · Apr 27, 2023 · US
Filtration system for preparation of fluids for medical applications
US-11446417-B2 · Sep 20, 2022 · US
Method and system to control and maintain product quality for an olefin membrane separation
US-11447436-B2 · Sep 20, 2022 · US
Systems and methods for supplying low salinity injection water
US-2022008868-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2311/26?
- CPC B01D2311/26 is the Cooperative Patent Classification code for “Further operations combined with membrane separation processes.”
- How many patents are filed under CPC B01D2311/26 (Further operations combined with membrane separation processes)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B01D2311/26 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).