Contaminate Removal Using Aluminum-Doped Magnetic Nanoparticles
US-2017349459-A1 · Dec 7, 2017 · US
for separation of magnetic materials, e.g. magnetic flocculation
for separation of magnetic materials, e.g. magnetic flocculation · 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 | C02F1/488 |
| Official title | {for separation of magnetic materials, e.g. magnetic flocculation} |
| Display label | for separation of magnetic materials, e.g. magnetic flocculation |
| Total patents | 196 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 11 |
| 2017 | 26 |
| 2018 | 26 |
| 2019 | 18 |
| 2020 | 18 |
| 2021 | 9 |
| 2022 | 17 |
| 2023 | 18 |
| 2024 | 12 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic separation device and raw water treatment apparatus
US-2017320758-A1 · Nov 9, 2017 · US
Biological composite material loaded with magnetic nanoparticles with core-shell structure, the preparation therefore and the application
US-9809476-B2 · Nov 7, 2017 · US
Electromagnetic boom and environmental cleanup application for use in conjunction with magnetizable oil
US-9797538-B2 · Oct 24, 2017 · US
Method for advanced treatment and reuse of biochemical effluent from chemical wastewater
US-2017275194-A1 · Sep 28, 2017 · US
Scrubber wastewater treatment method and scrubber wastewater treatment device
US-2017267555-A1 · Sep 21, 2017 · US
Separation Unit for Microbial and Scale Treatment
US-2017266585-A1 · Sep 21, 2017 · US
Fitment
US-D796633-S · Sep 5, 2017 · US
Separation of oil-water mixtures using nanotechnology
US-2017247481-A1 · Aug 31, 2017 · US
Use of Magnetic Mesoporous Silica Nanoparticles For Removing Uranium From Media
US-2017225967-A1 · Aug 10, 2017 · US
Pipe fitment
US-D794165-S · Aug 8, 2017 · US
Filter assembly
US-D793522-S · Aug 1, 2017 · US
Filter
US-D792942-S · Jul 25, 2017 · US
System for Measuring the Concentration of Magnetic Ballast in a Slurry
US-2017199155-A1 · Jul 13, 2017 · US
Copper recovery apparatus
US-9701553-B2 · Jul 11, 2017 · US
Method for killing and removing microorganisms and scale using separation unit equipped with rotating magnets
US-9694303-B2 · Jul 4, 2017 · US
Biological composite material loaded with magnetic nanoparticles with core-shell structure, the preparation therefore and the application
US-2017174542-A1 · Jun 22, 2017 · US
Separator device
US-2017152977-A1 · Jun 1, 2017 · US
Method of magnetizing natural and synthetic aluminosilicates
US-9663378-B2 · May 30, 2017 · US
Method for removing cesium ions from water
US-9659678-B2 · May 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/488?
- CPC C02F1/488 is the Cooperative Patent Classification code for “for separation of magnetic materials, e.g. magnetic flocculation.”
- How many patents are filed under CPC C02F1/488 (for separation of magnetic materials, e.g. magnetic flocculation)?
- Our database includes 196 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/488 growing?
- Publication counts under this code: 12 in 2024 vs 14 in 2025 (latest complete years).