Method and system for waste treatment
US-12358821-B2 · Jul 15, 2025 · US
using belt or band filters
using belt or band 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 | C02F11/123 |
| Official title | using belt or band filters |
| Display label | using belt or band filters |
| Total patents | 41 |
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 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Domestic sewage treatment system
US-12172918-B2 · Dec 24, 2024 · US
Buffer tank separation and homogenization system
US-2024300838-A1 · Sep 12, 2024 · US
Method and system for pre-treating high strength wastewater
US-2024182343-A1 · Jun 6, 2024 · US
Solids separator for a composting system
US-11993549-B2 · May 28, 2024 · US
Wastewater treatment with primary treatment and mbr or mabr-ifas reactor
US-2024091708-A1 · Mar 21, 2024 · US
Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor
US-11850554-B2 · Dec 26, 2023 · US
Cationic emulsion terpolymer to increase cake solids in centrifuges
US-2023357067-A1 · Nov 9, 2023 · US
Method and system for waste treatment
US-2023083257-A1 · Mar 16, 2023 · US
Domestic sewage treatment system
US-2022259087-A1 · Aug 18, 2022 · US
Method for recovering phosphorus from sludge and plant thereof
US-11358892-B2 · Jun 14, 2022 · US
Solids separator for a composting system
US-2022162135-A1 · May 26, 2022 · US
Device for efficient continuous electrokinetic dewatering of phosphatic clay suspensions
US-11208342-B2 · Dec 28, 2021 · US
Multi-parameter enhancement of membrane bioreactor process efficiency by biomass selection and selective biomass wasting
US-11117821-B2 · Sep 14, 2021 · US
Dewatering apparatus, systems, and methods
US-11084747-B2 · Aug 10, 2021 · US
Device for Efficient Continuous Electrokinetic Dewatering of Phosphatic Clay Suspensions
US-2021206682-A9 · Jul 8, 2021 · US
Dewatering apparatus, systems, and methods
US-2021087094-A1 · Mar 25, 2021 · US
Improved method for recovering phosphorus from sludge and plant thereof
US-2020331787-A1 · Oct 22, 2020 · US
Flocculation of high-solids mineral slurries
US-10781117-B2 · Sep 22, 2020 · US
Systems and methods for processing earthen slurries
US-10683178-B2 · Jun 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F11/123?
- CPC C02F11/123 is the Cooperative Patent Classification code for “using belt or band filters.”
- How many patents are filed under CPC C02F11/123 (using belt or band filters)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C02F11/123 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).