Magnetic magnesium-manganese layered double metal oxide composite and preparation and application
US-12060283-B2 · Aug 13, 2024 · US
using permanent magnets
using permanent magnets · 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 | C02F1/481 |
| Official title | {using permanent magnets} |
| Display label | using permanent magnets |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 8 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alternating magnetic field systems and methods for generating nanobubbles
US-2024190730-A1 · Jun 13, 2024 · US
Alternating magnetic field systems and methods for generating nanobubbles
US-11939245-B2 · Mar 26, 2024 · US
Groundwater circulation well system with pressure-adjustable hydrodynamic cavitation
US-11912595-B2 · Feb 27, 2024 · US
Methods of separating ultrafine pollutant particles from aqueous suspension
US-11866353-B2 · Jan 9, 2024 · US
Method and system for phosphate recovery from a stream
US-11834355-B2 · Dec 5, 2023 · US
In channel magnetic recovery
US-2023357059-A1 · Nov 9, 2023 · US
Groundwater circulation well system with pressure-adjustable hydrodynamic cavitation
US-2023271861-A1 · Aug 31, 2023 · US
Magnetic magnesium-manganese layered double metal oxide composite and preparation and application
US-2022002167-A1 · Jan 6, 2022 · US
Method for Carrying out Whole-Process Treatment on Phytoplankton
US-2021387882-A1 · Dec 16, 2021 · US
Methods of separating ultrafine pollutant particles from aqueous suspension
US-2021387875-A1 · Dec 16, 2021 · US
System and method for restoring river and lake water body by floating type water purification plant
US-2021387883-A1 · Dec 16, 2021 · US
Method for restoring ecological environment by utilizing emergent aquatic plants
US-2021347660-A1 · Nov 11, 2021 · US
Treatment using fixed film processes and ballasted settling
US-2021230033-A1 · Jul 29, 2021 · US
Alternating magnetic field systems and methods for generating nanobubbles
US-2021163321-A1 · Jun 3, 2021 · US
Hydraulic control and treatment device, particularly for hydraulic apparatuses or systems
US-10981804-B2 · Apr 20, 2021 · US
Treatment using fixed film processes and ballasted settling
US-10919792-B2 · Feb 16, 2021 · US
Microbubble generator and cooling water circulation system equipped with same
US-2020398231-A1 · Dec 24, 2020 · US
Method and device for testing the effectiveness of magnetic treatment of feed water for reducing mineral scaling in reverse osmosis processes
US-10648957-B2 · May 12, 2020 · US
Magnetic separation device and raw water treatment apparatus
US-10343938-B2 · Jul 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/481?
- CPC C02F1/481 is the Cooperative Patent Classification code for “using permanent magnets.”
- How many patents are filed under CPC C02F1/481 (using permanent magnets)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/481 growing?
- Publication counts under this code: 3 in 2023 vs 5 in 2024 (latest complete years).