Method to remove chemical contaminants
US-12509363-B2 · Dec 30, 2025 · US
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Pressure conditions
Pressure conditions · 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 | C02F2301/06 |
| Official title | Pressure conditions |
| Display label | Pressure conditions |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of using nanofiltration and reverse osmosis to remove chemical contaminants
US-12330958-B2 · Jun 17, 2025 · US
Regulation of Onsite Peroxide Generation for Improved Peroxone Advanced Oxidative Process Control
US-2025059071-A1 · Feb 20, 2025 · US
Method for improving cross-flow filtration and cross-flow filtration system
US-2024409436-A1 · Dec 12, 2024 · US
Method of using nanofiltration and reverse osmosis to remove chemical contaminants
US-2024166534-A1 · May 23, 2024 · US
Method of using nanofiltration and reverse osmosis to remove chemical contaminants
US-11926534-B2 · Mar 12, 2024 · US
Water treatment device, water treatment system, method of assembling water treatment device, and water treatment method
US-11667551-B2 · Jun 6, 2023 · US
Method of using nanofiltration and reverse osmosis to remove chemical contaminants
US-2023109082-A1 · Apr 6, 2023 · US
Device for treating high-concentration organic wastewater by catalytic hydrothermal gasification
US-11597659-B2 · Mar 7, 2023 · US
Method of using nanofiltration and reverse osmosis to remove chemical contaminants
US-11548794-B2 · Jan 10, 2023 · US
Method and system for preparing drinking weak alkali water and strontium-rich electrolyte raw water from salt-making distilled water
US-11530150-B2 · Dec 20, 2022 · US
Device for treating high-concentration organic wastewater by catalytic hydrothermal gasification
US-2021300787-A1 · Sep 30, 2021 · US
Method of using nanofiltration and reverse osmosis to remove chemical contaminants
US-2021268439-A1 · Sep 2, 2021 · US
Method to remove chemical contaminants
US-2021269328-A1 · Sep 2, 2021 · US
Dewatering Method And System
US-2021214255-A1 · Jul 15, 2021 · US
System for flue-gas hydrate-based desalination using LNG cold energy
US-10766789-B2 · Sep 8, 2020 · US
Water treatment device, water treatment system, method of assembling water treatment device, and water treatment method
US-2020017379-A1 · Jan 16, 2020 · US
Device for electrocoagulation and process
US-10392274-B2 · Aug 27, 2019 · US
Method for the continuous thermal hydrolysis of sludge with a high dryness value
US-10246360-B2 · Apr 2, 2019 · US
A system for flue-gas hydrate-based desalination using lng cold energy
US-2019039916-A1 · Feb 7, 2019 · US