Medicament Preparation and Treatment Devices, Methods, and Systems
US-2024277909-A1 · Aug 22, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C02F1/42 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 1,505 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 113 |
| 2016 | 118 |
| 2017 | 111 |
| 2018 | 143 |
| 2019 | 145 |
| 2020 | 169 |
| 2021 | 130 |
| 2022 | 133 |
| 2023 | 142 |
| 2024 | 143 |
| 2025 | 123 |
| 2026 | 35 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air pollution control system and air pollution control method
US-2015375166-A1 · Dec 31, 2015 · US
Drinking water filter with integral self-disinfecting delivery system
US-2015376029-A1 · Dec 31, 2015 · US
Selective scaling in desalination water treatment systems and associated methods
US-9221694-B1 · Dec 29, 2015 · US
Water recovery system for use in confined spaces
US-2015353401-A1 · Dec 10, 2015 · US
Ion-exchange fibers and method for producing and using same
US-9205422-B2 · Dec 8, 2015 · US
Removal of uranium from water
US-2015336812-A1 · Nov 26, 2015 · US
Synergistic interaction of weak cation exchange resin and magnesium oxide
US-9193610-B2 · Nov 24, 2015 · US
Rechargeable electrochemical cells
US-2015329384-A1 · Nov 19, 2015 · US
Removal of uranium from water
US-9187346-B1 · Nov 17, 2015 · US
Method for decontamination of a liquid effluent including one or more radioactive chemical elements by treatment in a fluidized bed
US-9181108-B2 · Nov 10, 2015 · US
Ion exchanger, method of manufacturing the same, and ion exchange filter device and electro-deionization device including the same
US-9162907-B2 · Oct 20, 2015 · US
Cleaning solution generator
US-9162904-B2 · Oct 20, 2015 · US
Efficient combined advanced treatment method of electroplating waste water
US-2015291449-A1 · Oct 15, 2015 · US
Manganese oxide-based and metallomanganese oxide-based ion-exchangers for removing mercury (+2) ions from liquid streams
US-9150436-B2 · Oct 6, 2015 · US
Methods and devices for measuring conductivity of fluids
US-2015276836-A1 · Oct 1, 2015 · US
Porous metal ceramic materials and methods for making and using the same
US-2015274547-A1 · Oct 1, 2015 · US
Metal-supported anion exchange resins and method of remediating toxic anions using the same
US-2015266015-A1 · Sep 24, 2015 · US
Capsule-type compound, anion removing agent, and method for removing anion
US-9139533-B2 · Sep 22, 2015 · US
Method for inhibiting nitrosamine formation in anion exchange resins
US-9138739-B2 · Sep 22, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/42?
- CPC C02F1/42 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C02F1/42 (Chemistry & Metallurgy)?
- Our database includes 1,505 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/42 growing?
- Publication counts under this code: 143 in 2024 vs 123 in 2025 (latest complete years).