System and method for attached growth biological treatment and activated carbon treatment of a wastewater stream
US-12297134-B2 · May 13, 2025 · US
Wet air oxidation
Wet air oxidation · 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 | C02F11/08 |
| Official title | Wet air oxidation |
| Display label | Wet air oxidation |
| Total patents | 62 |
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 | 7 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wet air oxidation of a spent material with spent caustic addition
US-2025083986-A1 · Mar 13, 2025 · US
Hydrothermal system for treatment of adsorbent regeneration byproducts
US-2024391797-A1 · Nov 28, 2024 · US
Wet air oxidation of a spent material with spent caustic addition
US-12139425-B2 · Nov 12, 2024 · US
Processes and apparatuses for converting poly- and perfluoroalkyl substances
US-2024336511-A1 · Oct 10, 2024 · US
Processes and apparatuses for converting poly- and perfluoroalkyl substances
US-2024335808-A1 · Oct 10, 2024 · US
Processes and apparatuses for converting poly- and perfluoroalkyl substances
US-2024336510-A1 · Oct 10, 2024 · US
Method for preparing sludge conditioner from water supply sludge and use of sludge conditioner
US-2024217856-A1 · Jul 4, 2024 · US
Process and device for treating a waste lye
US-11834356-B2 · Dec 5, 2023 · US
Hanging Compartmental Accessory Holder
US-2023332063-A1 · Oct 19, 2023 · US
Wet air oxidation system with shell and tube heat exchanger
US-2023250004-A1 · Aug 10, 2023 · US
Treatment of nitrogen compounds in spent caustic
US-2023219834-A1 · Jul 13, 2023 · US
Hydrothermal liquefaction system
US-11661552-B2 · May 30, 2023 · US
Magnetite ore pelletizing compositions, devices, systems, and methods using automotive paint sludge as a binder
US-2023139417-A1 · May 4, 2023 · US
Hydrothermal liquefaction system
US-2022195308-A1 · Jun 23, 2022 · US
Method and system for reducing total carbon consumption in the generation of low chemical oxygen demand treated streams
US-2022194835-A1 · Jun 23, 2022 · US
Hydrothermal liquefaction system
US-11279882-B2 · Mar 22, 2022 · US
Hydrothermal treatment device, biomass fuel manufacturing plant, hydrothermal treatment method, and biomass fuel manufacturing method
US-11236001-B2 · Feb 1, 2022 · US
Process for the treatment of waste water
US-11168011-B2 · Nov 9, 2021 · US
Wet air oxidation of a spent material with spent caustic addition
US-2021323854-A1 · Oct 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F11/08?
- CPC C02F11/08 is the Cooperative Patent Classification code for “Wet air oxidation.”
- How many patents are filed under CPC C02F11/08 (Wet air oxidation)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC C02F11/08 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).