System and method for treatment of animal manure containing wastewater
US-12384707-B2 · Aug 12, 2025 · US
using anaerobic filters
using anaerobic filters · 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 | C02F3/2826 |
| Official title | {using anaerobic filters} |
| Display label | using anaerobic filters |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biogas production device including conductive support-based dynamic module and biogas production method using same device
US-2025051205-A1 · Feb 13, 2025 · US
Side Stream Treatment for Overflow
US-2023365447-A1 · Nov 16, 2023 · US
Side stream treatment for overflow
US-11753322-B2 · Sep 12, 2023 · US
Method for realizing rapid startup of denitrification biofilter
US-11168012-B2 · Nov 9, 2021 · US
Side Stream Treatment for Overflow
US-2021087086-A1 · Mar 25, 2021 · US
Multi-step system for treating selenium-containing wastewater
US-10745309-B2 · Aug 18, 2020 · US
Method for realizing rapid startup of denitrification biofilter
US-2020231479-A1 · Jul 23, 2020 · US
Side stream treatment for overflow
US-10669176-B2 · Jun 2, 2020 · US
Ecological method for denitrification and phosphorus removal in wastewater treatment process
US-10494271-B2 · Dec 3, 2019 · US
Method and apparatus for biologically treating nitrogen
US-2019315643-A1 · Oct 17, 2019 · US
Hybrid reactor and process for removing selenium
US-10370274-B2 · Aug 6, 2019 · US
Biological treatment of flue gas desulfurization blowdown water with upstream sulfite control
US-2019143266-A1 · May 16, 2019 · US
Natural pyrrhotite biological filter and method for utilizing same to synchronously remove nitrate-nitrogen and phosphorus from water
US-10239774-B2 · Mar 26, 2019 · US
Ecological Method for Denitrification and Phosphorus Removal in Wastewater Treatment Process
US-2018134580-A1 · May 17, 2018 · US
Filter bed backwash system and process with recycled gas
US-2018078880-A1 · Mar 22, 2018 · US
Treatment of municipal wastewater with anaerobic digestion
US-9845260-B2 · Dec 19, 2017 · US
Sulfite Preconditioning Systems And Methods To Reduce Mercury Concentrations In Waste Water
US-2017326498-A1 · Nov 16, 2017 · US
Biological purifier for untreated waste water and method of producing the same, biological purification method for untreated waste water, and biological purification system for untreated waste water
US-9758409-B2 · Sep 12, 2017 · US
Side Stream Treatment for Overflow
US-2017247274-A1 · Aug 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/2826?
- CPC C02F3/2826 is the Cooperative Patent Classification code for “using anaerobic filters.”
- How many patents are filed under CPC C02F3/2826 (using anaerobic filters)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/2826 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).