Wastewater treatment using composite biofilm carriers
US-2025197261-A1 · Jun 19, 2025 · US
Inorganic materials, e.g. sand, silicates
Inorganic materials, e.g. sand, silicates · 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 | C02F3/107 |
| Official title | {Inorganic materials, e.g. sand, silicates} |
| Display label | Inorganic materials, e.g. sand, silicates |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyethyleneimine modified graphene oxides and methods for making and using same
US-2025073672-A1 · Mar 6, 2025 · US
Systems and methods for treating stormwater with anammox bacteria
US-2024383787-A1 · Nov 21, 2024 · US
Wastewater treatment device and wastewater treatment method
US-12060288-B2 · Aug 13, 2024 · US
Biofilm bioreactor
US-11987782-B2 · May 21, 2024 · US
Bio-clays composites for aldehyde remediation
US-11970416-B2 · Apr 30, 2024 · US
Methods of Feedstock Conversion Using a Biofilm Bioreactor
US-2024117286-A1 · Apr 11, 2024 · US
Straight-line sewage treatment system for enhanced treatment of low c/n domestic sewage
US-2024092664-A1 · Mar 21, 2024 · US
Bioreactor system and method for nitrification and denitrification
US-11851356-B2 · Dec 26, 2023 · US
Methods for water environment multi-interface governance and restoration in rivers and lakes
US-11802056-B2 · Oct 31, 2023 · US
System and method for continuous metabolism of 1,4-dioxane
US-2023264995-A1 · Aug 24, 2023 · US
Composite treatment and remediation technology for polluted water and soil
US-2023249998-A1 · Aug 10, 2023 · US
Recirculating aquaculture system and methods thereof
US-2023048349-A1 · Feb 16, 2023 · US
Method for preparing electron donor biofilm carrier
US-11565957-B2 · Jan 31, 2023 · US
Bioreactor system and method for nitrification and denitrification
US-2022411300-A1 · Dec 29, 2022 · US
Microorganism immobilized carrier
US-11518698-B2 · Dec 6, 2022 · US
Rotating Spray Device for Water Distribution on Media Bed of a Biofilter
US-2022362710-A1 · Nov 17, 2022 · US
Recovery system of composite powder carrier in HPB municipal wastewater treatment
US-11472725-B2 · Oct 18, 2022 · US
Phyto-mediated wastewater treatment bioreactor (pwbr)
US-2022274856-A1 · Sep 1, 2022 · US
Rotating spray device for water distribution on media bed of a biofilter
US-11400412-B2 · Aug 2, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F3/107?
- CPC C02F3/107 is the Cooperative Patent Classification code for “Inorganic materials, e.g. sand, silicates.”
- How many patents are filed under CPC C02F3/107 (Inorganic materials, e.g. sand, silicates)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC C02F3/107 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).