Automated process for treatment of refinery wastewater
US-12583775-B2 · Mar 24, 2026 · US
Characterized by the chemical composition
Characterized by the chemical composition · 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 | C02F3/105 |
| Official title | {Characterized by the chemical composition} |
| Display label | Characterized by the chemical composition |
| Total patents | 32 |
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 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 6 |
| 2021 | 4 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bioretention pond integrating collection-filtration-purification functions and application thereof
US-2026070827-A1 · Mar 12, 2026 · US
Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes
US-2025154039-A1 · May 15, 2025 · US
Sheet laminate, method for manufacturing gas supply body, gas supply body, supply body unit, and wastewater treatment device
US-2025011206-A1 · Jan 9, 2025 · US
Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes
US-2024425398-A1 · Dec 26, 2024 · US
Biofilm carrier media in moving bed biofilm reactor processes
US-12110243-B2 · Oct 8, 2024 · US
Automated process for treatment of refinery wastewater
US-2024067544-A1 · Feb 29, 2024 · US
System and method for treating effluent
US-11820687-B2 · Nov 21, 2023 · US
Biofilm carrier for moving bed biofilm reactors
US-2023348304-A1 · Nov 2, 2023 · US
Microbial carrier and device for treating wastewater
US-11795080-B2 · Oct 24, 2023 · US
Method for intensification of advanced biological nitrogen removal and reduction of endocrine disrupting toxicity
US-11753319-B2 · Sep 12, 2023 · US
Microbial carrier and device for treating wastewater
US-2023212046-A1 · Jul 6, 2023 · US
Method for intensification of advanced biological nitrogen removal and reduction of endocrine disrupting toxicity
US-2023202887-A1 · Jun 29, 2023 · US
Organic composite powder carrier and application thereof in enhanced biological denitrification of municipal wastewater treatment
US-11629083-B2 · Apr 18, 2023 · US
Method for preparing electron donor biofilm carrier
US-11565957-B2 · Jan 31, 2023 · US
System and method for treating effluent
US-2021230031-A1 · Jul 29, 2021 · US
Organic composite powder carrier and application thereof in enhanced biological denitrification of municipal wastewater treatment
US-2021130210-A1 · May 6, 2021 · US
Sheet laminate, method for manufacturing gas supply body, gas supply body, supply body unit, and wastewater treatment device
US-2021114903-A1 · Apr 22, 2021 · US
Biofilm carrier media in moving bed biofilm reactor processes
US-2021047204-A1 · Feb 18, 2021 · US
Bio-filter system
US-2020406188-A1 · Dec 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/105?
- CPC C02F3/105 is the Cooperative Patent Classification code for “Characterized by the chemical composition.”
- How many patents are filed under CPC C02F3/105 (Characterized by the chemical composition)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/105 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).