System and method for the treatment of biogas and wastewater
US-12528060-B2 · Jan 20, 2026 · US
using electrical or magnetic fields, heat or vibrations
using electrical or magnetic fields, heat or vibrations · 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 | B01F23/411 |
| Official title | using electrical or magnetic fields, heat or vibrations |
| Display label | using electrical or magnetic fields, heat or vibrations |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 9 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
External preparation for skin or hair, cosmetic treatment method, and fine water supply device
US-2025325757-A1 · Oct 23, 2025 · US
Particle-templated emulsification in well plates
US-2025101414-A1 · Mar 27, 2025 · US
Spray agent for skin or hair, cosmetic treatment method, and spray device
US-2025000755-A1 · Jan 2, 2025 · US
System, method and generator for generating nanobubbles or nanodroplets
US-12161982-B2 · Dec 10, 2024 · US
Lipid membrane vesicle, and method and apparatus for preparing the same
US-2024390280-A1 · Nov 28, 2024 · US
Devices and methods for generating and recovering droplets
US-2024326054-A1 · Oct 3, 2024 · US
Method for emulsification using ionic flux
US-2024246042-A1 · Jul 25, 2024 · US
System and method for the treatment of biogas and wastewater
US-11998882-B2 · Jun 4, 2024 · US
System and method for the treatment of biogas and wastewater
US-2024157312-A1 · May 16, 2024 · US
A system, method and generator for generating nanobubbles or nanodroplets at ambient conditions
US-2024116010-A1 · Apr 11, 2024 · US
Mixing device with circulation zone and associated method
US-2024075435-A1 · Mar 7, 2024 · US
Devices and methods for generating and recovering droplets
US-11919002-B2 · Mar 5, 2024 · US
System and method for droplet formation and manipulation using ferrofluids
US-11596909-B2 · Mar 7, 2023 · US
Emulsion Formation Assisted by Corona Discharge and Electrohydrodynamic Pumping
US-2022355257-A1 · Nov 10, 2022 · US
A system and method for the treatment of biogas and wastewater
US-2021371299-A1 · Dec 2, 2021 · US
A system, method and generator for generating nanobubbles or nanodroplets
US-2021362105-A1 · Nov 25, 2021 · US
Method for producing emulsion
US-10967336-B2 · Apr 6, 2021 · US
Devices and methods for generating and recovering droplets
US-2021053063-A1 · Feb 25, 2021 · US
Methods and systems for deposition of blended polymer films
US-10828665-B2 · Nov 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F23/411?
- CPC B01F23/411 is the Cooperative Patent Classification code for “using electrical or magnetic fields, heat or vibrations.”
- How many patents are filed under CPC B01F23/411 (using electrical or magnetic fields, heat or vibrations)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC B01F23/411 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).