Mabr media for supporting aob and annamox bacteria and process for deammonification of wastewater
US-2021355011-A1 · Nov 18, 2021 · US
characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process · 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 | C02F3/307 |
| Official title | {characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process} |
| Display label | characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process |
| Total patents | 140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 11 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 14 |
| 2021 | 15 |
| 2022 | 16 |
| 2023 | 18 |
| 2024 | 17 |
| 2025 | 13 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for treating municipal sewage by aoa process via endogenous partial denitrification coupled with anammox in anoxic zone
US-2021246057-A1 · Aug 12, 2021 · US
Pretreatment to remove ammonia from high strength wastewater with memrbane aerated biofilm sidestream
US-2021171375-A1 · Jun 10, 2021 · US
Integrated deammonification process for wastewater reclamation
US-2020392028-A1 · Dec 17, 2020 · US
Partial nitrification-denitrification coupled two-stage autotrophic denitrification advanced nitrogen removal method
US-2020377398-A1 · Dec 3, 2020 · US
Dynamic process control for partial nitritation in wastewater treatment with autotrophic nitrogen removal
US-2020346956-A1 · Nov 5, 2020 · US
Carbon removal and denitrification treatment device for leachate from waste incineration plant and method thereof
US-10822261-B1 · Nov 3, 2020 · US
Wastewater treatment system using anaerobic ammonium oxidation in mainstream
US-2020325051-A1 · Oct 15, 2020 · US
Method for the Biological Treatment of Nitrogen in Effluents by Nitritation
US-2020299163-A1 · Sep 24, 2020 · US
Method for determining optimal preservation temperature of anaerobic ammonium oxidation biofilm in wastewater treatment for total nitrogen removal
US-2020264089-A1 · Aug 20, 2020 · US
Sequencing batch reactor for sewage treatment and sewage treatment system comprising same
US-2020207650-A1 · Jul 2, 2020 · US
Apparatus and method for refractory organics conversion into biogas
US-2020165553-A1 · May 28, 2020 · US
Sequencing batch reactor for sewage treatment and sewage treatment system comprising same
US-10626035-B2 · Apr 21, 2020 · US
Membrane aerated anaerobic granular sludge reactor with efficient nitrogen removal and greenhouse gas mitigation
US-10604430-B2 · Mar 31, 2020 · US
Anammox reactor and water treatment method using the same
US-2020079668-A1 · Mar 12, 2020 · US
Water treatment apparatus for removing nitrogen contained in raw water and water treatment method using the same
US-2020079669-A1 · Mar 12, 2020 · US
Bioreactor for treating sewage and sewage treatment system comprising the same
US-2020062628-A1 · Feb 27, 2020 · US
Systems and methods for treating wastewater
US-2019375662-A1 · Dec 12, 2019 · US
Method for treating and recycling organic wastewater and apparatus
US-10501355-B2 · Dec 10, 2019 · US
Bioreactor for treating sewage and sewage treatment system comprising the same
US-10494282-B2 · Dec 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/307?
- CPC C02F3/307 is the Cooperative Patent Classification code for “characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process.”
- How many patents are filed under CPC C02F3/307 (characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process)?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/307 growing?
- Publication counts under this code: 17 in 2024 vs 13 in 2025 (latest complete years).