Method and system for pre-treating high strength wastewater
US-2024182343-A1 · Jun 6, 2024 · US
Membrane bioreactor systems
Membrane bioreactor systems · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F3/1268 |
| Official title | {Membrane bioreactor systems} |
| Display label | Membrane bioreactor systems |
| Total patents | 225 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 14 |
| 2017 | 25 |
| 2018 | 25 |
| 2019 | 21 |
| 2020 | 23 |
| 2021 | 15 |
| 2022 | 19 |
| 2023 | 12 |
| 2024 | 24 |
| 2025 | 16 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for constructing dynamic-like membrane to control membrane fouling of mbr
US-2024067545-A1 · Feb 29, 2024 · US
Internal sulfur cycling sani (isc-sani) process for biological wastewater treatment
US-2017369350-A1 · Dec 28, 2017 · US
Treatment of municipal wastewater with anaerobic digestion
US-9845260-B2 · Dec 19, 2017 · US
Membranes with tunable selectivity
US-2017296979-A1 · Oct 19, 2017 · US
Spiral wound filtration assembly including integral bioreactor
US-2017283290-A1 · Oct 5, 2017 · US
Modular bioelectrochemical systems and methods
US-2017279147-A1 · Sep 28, 2017 · US
Fresh water generation system
US-9758393-B2 · Sep 12, 2017 · US
Using continuous nitrate measurement to control aeration in an aerated-anoxic process
US-9758410-B2 · Sep 12, 2017 · US
Method of producing flat sheet membrane element and flat sheet membrane element
US-2017239625-A1 · Aug 24, 2017 · US
Reverse-osmosis-membrane device and method for operating the same
US-2017232389-A1 · Aug 17, 2017 · US
Spiral wound filtration assembly including integral bioreactor
US-9725344-B1 · Aug 8, 2017 · US
Method and apparatus for cleaning filter membrane, and water treatment system
US-2017216777-A1 · Aug 3, 2017 · US
Modular bioelectrochemical systems and methods
US-9685676-B2 · Jun 20, 2017 · US
Wastewater treatment with primary treatment and mbr or mabr-ifas reactor
US-2017088449-A1 · Mar 30, 2017 · US
Elimination of sodium sulfate from biologically treated wastewater
US-2017088451-A9 · Mar 30, 2017 · US
Highly effective sewage treatment based on regulation and control of directed electron flow and apparatus thereof
US-2017066668-A1 · Mar 9, 2017 · US
Membrane photobioreactor for treating nitrogen and phosphorus that are out of limits in biogas slurry and treating method thereof
US-2017044474-A1 · Feb 16, 2017 · US
Sludge screw thickener with screen rotation during cleaning
US-9561978-B2 · Feb 7, 2017 · US
Porous polymer flat-sheet membrane
US-9550153-B2 · Jan 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/1268?
- CPC C02F3/1268 is the Cooperative Patent Classification code for “Membrane bioreactor systems.”
- How many patents are filed under CPC C02F3/1268 (Membrane bioreactor systems)?
- Our database includes 225 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/1268 growing?
- Publication counts under this code: 24 in 2024 vs 16 in 2025 (latest complete years).