Data-driven recirculating aquaculture system
US-2025320142-A1 · Oct 16, 2025 · US
using anaerobic contact processes
using anaerobic contact processes · 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 | C02F3/2813 |
| Official title | {using anaerobic contact processes} |
| Display label | using anaerobic contact processes |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Data-driven recirculating aquaculture system
US-12410078-B2 · Sep 9, 2025 · US
Method for treating reducible compound residues using iron-containing bioreactor
US-12077461-B2 · Sep 3, 2024 · US
Culture systems and methods of using same
US-12024695-B2 · Jul 2, 2024 · US
Anaerobic waste digestion system
US-11952300-B2 · Apr 9, 2024 · US
Method of reducing nitrogen oxide concentration in sample, bioreactor, and plug flow reactor
US-2024102054-A1 · Mar 28, 2024 · US
Method for biologically treating ammonium perchlorate with pooling of the microfiltration
US-11873242-B2 · Jan 16, 2024 · US
Method of fixing arsenic using activated biochar
US-11673821-B2 · Jun 13, 2023 · US
Data-driven recirculating aquaculture system
US-2023166993-A1 · Jun 1, 2023 · US
Anaerobic waste digestion system
US-2023150853-A1 · May 18, 2023 · US
Method of preparing carbonaceous material capable of fixing arsenic and application thereof
US-2022340462-A1 · Oct 27, 2022 · US
Methods for anaerobic waste digestion
US-11465922-B2 · Oct 11, 2022 · US
Culture systems and methods of using same
US-2022259533-A1 · Aug 18, 2022 · US
Culture systems and methods of using same
US-11339360-B2 · May 24, 2022 · US
Method for biologically treating ammonium perchlorate with pooling of the microfiltration
US-2022153619-A1 · May 19, 2022 · US
Method and device for controlling pollutants in basin water resources cycling utilization in agricultural activity areas
US-11261115-B2 · Mar 1, 2022 · US
Method for promoting denitrification to remove nitrate nitrogen in water by magnetic resins
US-11254598-B2 · Feb 22, 2022 · US
Method and device for controlling pollutants in basin water resources cycling utilization in agricultural activity areas
US-2021179465-A1 · Jun 17, 2021 · US
Methods for anaerobic waste digestion
US-2021171376-A1 · Jun 10, 2021 · US
Culture systems and methods of using same
US-2021024861-A1 · Jan 28, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/2813?
- CPC C02F3/2813 is the Cooperative Patent Classification code for “using anaerobic contact processes.”
- How many patents are filed under CPC C02F3/2813 (using anaerobic contact processes)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/2813 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).