Method and system for pre-treating high strength wastewater
US-2024182343-A1 · Jun 6, 2024 · US
Black water originating from toilets
Black water originating from toilets · 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 | C02F2103/005 |
| Official title | {Black water originating from toilets} |
| Display label | Black water originating from toilets |
| Total patents | 152 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 17 |
| 2018 | 13 |
| 2019 | 8 |
| 2020 | 13 |
| 2021 | 17 |
| 2022 | 12 |
| 2023 | 13 |
| 2024 | 21 |
| 2025 | 18 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Straight-line sewage treatment system for enhanced treatment of low c/n domestic sewage
US-2024092664-A1 · Mar 21, 2024 · US
Portable wastewater treatment systems
US-10875802-B2 · Dec 29, 2020 · US
Electro Oxidation Membrane Evaporator
US-2020354240-A1 · Nov 12, 2020 · US
Methods and devices for performing reactions
US-10745305-B2 · Aug 18, 2020 · US
Peristaltic motor and pump combination
US-10578095-B2 · Mar 3, 2020 · US
Systems and methods for treating dilute wastewater
US-10464833-B2 · Nov 5, 2019 · US
System and Method for Treatment of Wastewater via Enhanced Electroflotation
US-2019308890-A1 · Oct 10, 2019 · US
Wastewater Treatment with In-Film Microbial Heating
US-2019225518-A1 · Jul 25, 2019 · US
Feed material for biomass generator
US-10323226-B2 · Jun 18, 2019 · US
Liquid waste treatment system
US-2019169054-A1 · Jun 6, 2019 · US
Catalytic water treatment with in-situ production of hydrogen peroxide
US-2019135664-A1 · May 9, 2019 · US
Organics and nutrient recovery from anaerobic digester residues
US-10239776-B2 · Mar 26, 2019 · US
Advanced oxidation process of degrading nonsteroidal anti-inflammatory drugs in sewage by UV persulfate
US-10233103-B2 · Mar 19, 2019 · US
Water reclamation method integrating magnetic resin adsorption and electrosorption
US-10150685-B2 · Dec 11, 2018 · US
Method for wastewater treatment by urine separation, seawater addition, and nitrification and in-sewer denitrification
US-10093568-B2 · Oct 9, 2018 · US
Feed Material for Biomass Generator
US-2018282685-A1 · Oct 4, 2018 · US
Advanced oxidation process of degrading nonsteroidal anti-inflammatory drugs in sewage by uv persulfate
US-2018265386-A1 · Sep 20, 2018 · US
Z-Scheme Microbial Photoelectrochemical System (MPS) for Wastewater-to-Chemical Fuel Conversion
US-2018230028-A1 · Aug 16, 2018 · US
System and membrane for wastewater-generated energy and gas
US-10035719-B2 · Jul 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2103/005?
- CPC C02F2103/005 is the Cooperative Patent Classification code for “Black water originating from toilets.”
- How many patents are filed under CPC C02F2103/005 (Black water originating from toilets)?
- Our database includes 152 publications tagged with this CPC code.
- Is patent activity under CPC C02F2103/005 growing?
- Publication counts under this code: 21 in 2024 vs 18 in 2025 (latest complete years).