Systems and methods for treating a wastewater stream
US-2026070829-A1 · Mar 12, 2026 · US
comprising an initial buffer container
comprising an initial buffer container · 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 | C02F2203/002 |
| Official title | comprising an initial buffer container |
| Display label | comprising an initial buffer container |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Granular sludge reactor system comprising an external separator
US-12509379-B2 · Dec 30, 2025 · US
Systems and methods for treating a wastewater stream
US-12473220-B2 · Nov 18, 2025 · US
High-load organic wastewater dark fermentation biohydrogen production device and hydrogen production method
US-12404192-B2 · Sep 2, 2025 · US
High-load organic wastewater dark fermentation biohydrogen production device and hydrogen production method
US-2025136485-A1 · May 1, 2025 · US
Dissolved air flotation system and methods for biological nutrient removal
US-12172920-B2 · Dec 24, 2024 · US
Recycling of sodium sulfate in starch processing
US-11884568-B2 · Jan 30, 2024 · US
Systems and methods for treating a wastewater stream
US-2023242429-A1 · Aug 3, 2023 · US
Anaerobic membrane bioreactor coupled with uv advanced disinfection process for wastewater treatment
US-2023166995-A1 · Jun 1, 2023 · US
Sequencing Batch Reactor Systems and Methods
US-2023106586-A1 · Apr 6, 2023 · US
Granular sludge reactor system comprising an external separator
US-11613483-B2 · Mar 28, 2023 · US
Granular sludge reactor system comprising an external separator
US-2023072206-A1 · Mar 9, 2023 · US
Sequencing batch reactor systems and methods
US-11472726-B2 · Oct 18, 2022 · US
Dissolved Air Flotation System and Methods for Biological Nutrient Removal
US-2022212973-A1 · Jul 7, 2022 · US
Dissolved air flotation system and methods for biological nutrient removal
US-11299415-B2 · Apr 12, 2022 · US
Simultaneous phase operated anaerobic sequential batch reactor
US-11267736-B2 · Mar 8, 2022 · US
Partial nitrification-denitrification coupled two-stage autotrophic denitrification advanced nitrogen removal method
US-11203541-B2 · Dec 21, 2021 · US
Sequencing Batch Reactor Systems and Methods
US-2021094852-A1 · Apr 1, 2021 · US
Simultaneous phase operated anaerobic sequential batch reactor
US-2021087087-A1 · Mar 25, 2021 · US
Dissolved Air Flotation System and Methods for Biological Nutrient Removal
US-2021047218-A1 · Feb 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2203/002?
- CPC C02F2203/002 is the Cooperative Patent Classification code for “comprising an initial buffer container.”
- How many patents are filed under CPC C02F2203/002 (comprising an initial buffer container)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C02F2203/002 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).