Water treatment method and water treatment device
US-11603327-B2 · Mar 14, 2023 · US
characterised by the nitrification
characterised by the nitrification · 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 | C02F3/303 |
| Official title | {characterised by the nitrification} |
| Display label | characterised by the nitrification |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 15 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for synchronously treating sewage and sludge through combination of step-feed partial nitrification and anaerobic ammonia oxidation
US-2023071009-A1 · Mar 9, 2023 · US
Microorganism immobilized carrier
US-11518698-B2 · Dec 6, 2022 · US
Water treatment control system
US-11485655-B2 · Nov 1, 2022 · US
Method for the biological treatment of nitrogen in effluents by nitritation
US-11447409-B2 · Sep 20, 2022 · US
Carrier for retaining anammox bacteria for use in wastewater treatment, anammox bacteria-adhered particle, and wastewater treatment apparatus using the carrier
US-11427489-B2 · Aug 30, 2022 · US
Predictive model for water quality deterioration
US-2022260547-A1 · Aug 18, 2022 · US
System and Method of Separating Oxygen from A Body of Water
US-2022194833-A1 · Jun 23, 2022 · US
System and Method of Generating Electricity in A Body of Water
US-2022200029-A1 · Jun 23, 2022 · US
System and Method of Generating Hydrogen Gas
US-2022194786-A1 · Jun 23, 2022 · US
Rural landscape-type nitrogen and phosphorus ecological interception ditch system and farmland drainage nitrogen and phosphorus interception method using the same
US-11352279-B2 · Jun 7, 2022 · US
Integrated deammonification process for wastewater reclamation
US-11220449-B2 · Jan 11, 2022 · US
Rural landscape-type ecological ditch nitrogen and phosphorus interception system and method
US-2021387881-A1 · Dec 16, 2021 · US
Purification method for water, purification device for water, and use of said purification device at low water temperature
US-11185059-B2 · Nov 30, 2021 · US
Water treatment method and water treatment device
US-2021261449-A1 · Aug 26, 2021 · US
Microorganism immobilized carrier
US-2021171373-A1 · Jun 10, 2021 · US
Carrier for retaining anammox bacteria for use in wastewater treatment, anammox bacteria-adhered particle, and wastewater treatment apparatus using the carrier
US-2021087091-A1 · Mar 25, 2021 · US
Integrated deammonification process for wastewater reclamation
US-2020392028-A1 · Dec 17, 2020 · US
System and method for desulfurization and denitrification integrated treatment and recycling of flue gas by using red mud
US-10843131-B2 · Nov 24, 2020 · US
Carbon removal and denitrification treatment device for leachate from waste incineration plant and method thereof
US-10822261-B1 · Nov 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/303?
- CPC C02F3/303 is the Cooperative Patent Classification code for “characterised by the nitrification.”
- How many patents are filed under CPC C02F3/303 (characterised by the nitrification)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/303 growing?
- Publication counts under this code: 7 in 2024 vs 9 in 2025 (latest complete years).