Magnetization control apparatus for preventing clogging of drip irrigation system irrigator and control method thereof
US-12398049-B2 · Aug 26, 2025 · US
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using coils
using coils · 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 | C02F2201/483 |
| Official title | using coils |
| Display label | using coils |
| Total patents | 21 |
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 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for removing contaminants and nutrients from a fluid
US-2025051195-A1 · Feb 13, 2025 · US
Electrode Deionizer
US-2024182331-A1 · Jun 6, 2024 · US
Treating saline water and other solvents with magnetic and electric fields
US-11904327-B2 · Feb 20, 2024 · US
Recycling system
US-2023212043-A1 · Jul 6, 2023 · US
Magnetization control apparatus for preventing clogging of drip irrigation system irrigator and control method thereof
US-2023202867-A1 · Jun 29, 2023 · US
Flexible active species generator and use thereof
US-11540380-B2 · Dec 27, 2022 · US
Treating saline water and other solvents with magnetic and electric fields
US-2021230026-A1 · Jul 29, 2021 · US
Flexible active species generator and use thereof
US-2021112651-A1 · Apr 15, 2021 · US
System and method for treating water systems with high voltage discharge and ozone
US-10934182-B2 · Mar 2, 2021 · US
Hydromagnetic desalination cell with rare earth magnets
US-10046991-B2 · Aug 14, 2018 · US
System and Method for Treating Water Systems with High Voltage Discharge and Ozone
US-2018016163-A1 · Jan 18, 2018 · US
System and method for treating water systems with high voltage discharge and ozone
US-9868653-B2 · Jan 16, 2018 · US
Hydromagnetic desalination cell with rare earth magnets
US-2018002202-A1 · Jan 4, 2018 · US
Stacked hydromagnetic desalination cell
US-9809472-B2 · Nov 7, 2017 · US
Stacked hydromagnetic desalination cell
US-2017260069-A1 · Sep 14, 2017 · US
Hydromagnetic desalination cell, brine desalination system, and method of desalinating brine water using the desalination cell
US-9701551-B2 · Jul 11, 2017 · US
Hydromagnetic desalination cell, brine desalination system, and method of desalinating brine water using the desalination cell
US-2017166461-A1 · Jun 15, 2017 · US
Desalination system and process
US-9371244-B2 · Jun 21, 2016 · US
Systems and methods for reducing corrosion in a reactor system using electromagentic fields
US-2016167986-A1 · Jun 16, 2016 · US