Membrane fouling reduction using chemical micropumps
US-2016375407-A1 · Dec 29, 2016 · US
Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22)
Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22) · 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 | B01D61/00 |
| Official title | Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22) |
| Display label | Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22) |
| Total patents | 364 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 31 |
| 2017 | 43 |
| 2018 | 31 |
| 2019 | 37 |
| 2020 | 38 |
| 2021 | 31 |
| 2022 | 31 |
| 2023 | 30 |
| 2024 | 29 |
| 2025 | 23 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dye sensitized photoactive surfaces
US-2016367946-A1 · Dec 22, 2016 · US
Water treatment apparatus with circulating flow path and water treatment method using the same
US-9517949-B2 · Dec 13, 2016 · US
Composite membrane with multi-layered active layer
US-9504967-B2 · Nov 29, 2016 · US
Gas sparger for an immersed membrane
US-2016310905-A1 · Oct 27, 2016 · US
Filtration method using polyimide nanoweb with amidized surface and apparatus therefor
US-9475009-B2 · Oct 25, 2016 · US
Robust polymeric membrane
US-9469737-B2 · Oct 18, 2016 · US
Hydrophilically modified fluorinated membrane (i)
US-2016288061-A1 · Oct 6, 2016 · US
Integrated gas sparger for an immersed membrane
US-2016256831-A1 · Sep 8, 2016 · US
Polybenzimidazole based membrane for deacidification
US-9415352-B2 · Aug 16, 2016 · US
Devices and methods for water desalination
US-2016229720-A1 · Aug 11, 2016 · US
Blood fluid removal system performance monitoring
US-2016206801-A1 · Jul 21, 2016 · US
Process for removing one or more sulfur compounds and an apparatus relating thereto
US-9393526-B2 · Jul 19, 2016 · US
Methods for cell washing with on-line dilution of cell feed
US-2016177262-A1 · Jun 23, 2016 · US
Integrated gas sparger for an immersed membrane
US-9364805-B2 · Jun 14, 2016 · US
Removing sulfur contaminants from water using a silicone-based chemical filter
US-2016159666-A1 · Jun 9, 2016 · US
Removing sulfur contaminants from a fluid using a silicone-based chemical filter
US-2016158710-A1 · Jun 9, 2016 · US
Regenerable filter unit, regenerable filter system including the same, and method of operating regenerable filter system
US-9359226-B2 · Jun 7, 2016 · US
Gas sparger for an immersed membrane
US-9358505-B2 · Jun 7, 2016 · US
Process for reducing the total organic carbon in wastewater
US-2016130160-A1 · May 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/00?
- CPC B01D61/00 is the Cooperative Patent Classification code for “Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22).”
- How many patents are filed under CPC B01D61/00 (Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22))?
- Our database includes 364 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/00 growing?
- Publication counts under this code: 29 in 2024 vs 23 in 2025 (latest complete years).