Oxidizing compositions for removing sulfur compounds from hydrocarbon fuels and wastewater
US-2024400426-A1 · Dec 5, 2024 · US
Pressure
Pressure · 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 | C02F2209/03 |
| Official title | Pressure |
| Display label | Pressure |
| Total patents | 803 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 33 |
| 2017 | 64 |
| 2018 | 57 |
| 2019 | 90 |
| 2020 | 88 |
| 2021 | 78 |
| 2022 | 92 |
| 2023 | 101 |
| 2024 | 71 |
| 2025 | 81 |
| 2026 | 23 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optimised hydrothermal carbonisation method and facility for implementing same
US-9718717-B2 · Aug 1, 2017 · US
Low energy fluid purification system
US-2016376168-A1 · Dec 29, 2016 · US
Energy efficient system and process for treating sludge
US-9527760-B2 · Dec 27, 2016 · US
Sludge treatment system and sludge treatment method
US-2016368797-A1 · Dec 22, 2016 · US
Adaptive in-line mixing for fluid fine tailings flocculation
US-2016362316-A1 · Dec 15, 2016 · US
Method for disinfecting a fluid with a palladium-doped tungsten trioxide photo-catalyst
US-2016355409-A1 · Dec 8, 2016 · US
Multi-media stratified filtration
US-2016347626-A1 · Dec 1, 2016 · US
Methods of inhibiting fouling in liquid systems
US-9505637-B2 · Nov 29, 2016 · US
Processes and apparatus for inhibiting membrane bio-fouling
US-9457320-B2 · Oct 4, 2016 · US
Multi-stage immersion membrane separation device and membrane separation method
US-2016263528-A1 · Sep 15, 2016 · US
Water treatment system and method
US-2016257576-A1 · Sep 8, 2016 · US
Membrane treatment/separation plant and control system
US-2016244339-A1 · Aug 25, 2016 · US
Ballast water treatment device
US-2016236122-A1 · Aug 18, 2016 · US
Method of maintaining water quality in a process stream
US-9409110-B2 · Aug 9, 2016 · US
Method and system for continuous thermal hydrolysis with recirculation of recovered steam
US-2016214880-A1 · Jul 28, 2016 · US
Water treatment system for treating water from oil production streams
US-2016207791-A1 · Jul 21, 2016 · US
Process for oxidizing sulfides and an apparatus relating thereto
US-9394188-B2 · Jul 19, 2016 · US
Electrolytic apparatus and method of producing electrolyzed water
US-2016194770-A1 · Jul 7, 2016 · US
Process and device for continuous thermal hydrolysis
US-2016185640-A1 · Jun 30, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2209/03?
- CPC C02F2209/03 is the Cooperative Patent Classification code for “Pressure.”
- How many patents are filed under CPC C02F2209/03 (Pressure)?
- Our database includes 803 publications tagged with this CPC code.
- Is patent activity under CPC C02F2209/03 growing?
- Publication counts under this code: 71 in 2024 vs 81 in 2025 (latest complete years).