Solar assisted water purification system
US-11203540-B2 · Dec 21, 2021 · US
of electric, magnetic or electromagnetic fields, e.g. for magnetic separation
of electric, magnetic or electromagnetic fields, e.g. for magnetic separation · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J37/342 |
| Official title | {of electric, magnetic or electromagnetic fields, e.g. for magnetic separation} |
| Display label | of electric, magnetic or electromagnetic fields, e.g. for magnetic separation |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 10 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 13 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solar assisted water purification system
US-2021323849-A1 · Oct 21, 2021 · US
Method for making fibrous nanoparticle-containing filter
US-2021253457-A1 · Aug 19, 2021 · US
Method for producing hollow activated carbon nanofiber for activating peroxymonosulfate, catalyst for purifying water, and method for purifying water
US-2021245142-A1 · Aug 12, 2021 · US
Nickel-iron alloy hydrogenation catalyst and fabricating method thereof
US-2021113999-A1 · Apr 22, 2021 · US
Photocatalytic water treatment system
US-10981812-B2 · Apr 20, 2021 · US
Method for manufacturing photocatalytic filter having porous nanofiber heterostructure
US-2020391193-A1 · Dec 17, 2020 · US
Preparation method of carbon-supported metal oxide and/or alloy nanoparticles catalyst using physical vapour deposition
US-10850270-B2 · Dec 1, 2020 · US
Fibrous zeolite catalyst for hydrocracking
US-10850262-B2 · Dec 1, 2020 · US
Photocatalytic water treatment system
US-2020361801-A1 · Nov 19, 2020 · US
Light activated water treatment system
US-2020361802-A1 · Nov 19, 2020 · US
System, method, and apparatus relating to colloidosomes
US-2020290004-A1 · Sep 17, 2020 · US
Nano-catalyst composite for decomposing formaldehyde at room temperature and preparation method thereof
US-2020269216-A1 · Aug 27, 2020 · US
Water treatment system and methods thereof
US-10752527-B2 · Aug 25, 2020 · US
Water treatment system and methods thereof
US-2020247698-A1 · Aug 6, 2020 · US
System and method for engineered ceramic packages for use in fluid treatment technologies
US-2020222839-A1 · Jul 16, 2020 · US
System and method for engineered ceramic packages for use in fluid treatment technologies
US-2020222838-A1 · Jul 16, 2020 · US
Catalyst for removing volatile organic compounds and preparation method therefor
US-2020197912-A1 · Jun 25, 2020 · US
Process for preparing an electride compound
US-2020071177-A1 · Mar 5, 2020 · US
Photocatalyst-carrying mesh sheet, air purifier, and method for producing photocatalyst-carrying mesh sheet
US-2020054776-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J37/342?
- CPC B01J37/342 is the Cooperative Patent Classification code for “of electric, magnetic or electromagnetic fields, e.g. for magnetic separation.”
- How many patents are filed under CPC B01J37/342 (of electric, magnetic or electromagnetic fields, e.g. for magnetic separation)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC B01J37/342 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).