Fine bubble generator
US-2022387946-A1 · Dec 8, 2022 · US
for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
for obtaining fine bubbles, i.e. bubbles with a size below 100 µm · 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 | B01F23/2373 |
| Official title | for obtaining fine bubbles, i.e. bubbles with a size below 100 µm |
| Display label | for obtaining fine bubbles, i.e. bubbles with a size below 100 µm |
| Total patents | 135 |
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 | 7 |
| 2019 | 4 |
| 2020 | 13 |
| 2021 | 22 |
| 2022 | 23 |
| 2023 | 22 |
| 2024 | 19 |
| 2025 | 11 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microbubble generator, washing machine, and home appliance
US-11504677-B2 · Nov 22, 2022 · US
Ultra-fine bubble-containing liquid manufacturing apparatus
US-2022331755-A1 · Oct 20, 2022 · US
Ultra-fine bubble-containing liquid generating apparatus, ultra-fine bubble-containing liquid generating method, and ultra-fine bubble-containing liquid
US-2022323915-A1 · Oct 13, 2022 · US
Unit for passive transfer of CO2 from flue gas or ambient air
US-11452974-B2 · Sep 27, 2022 · US
Manufacturing apparatus of ultra fine bubble-contained liquid
US-2022288542-A1 · Sep 15, 2022 · US
Ultrasonic microbubble generation method, apparatus and system
US-11344824-B2 · May 31, 2022 · US
Unit for Passive Transfer of CO2 from Flue Gas or Ambient Air
US-2021394131-A1 · Dec 23, 2021 · US
Bubble generator
US-2021379542-A1 · Dec 9, 2021 · 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
Ultrafine bubble generating method, ultrafine bubble generating apparatus, and ultrafine bubble-containing liquid
US-11179652-B2 · Nov 23, 2021 · US
Microbubble generation device and equipment
US-11179683-B2 · Nov 23, 2021 · US
Fine bubble generation device and method for generating fine bubbles
US-2021322937-A1 · Oct 21, 2021 · US
Reaction device and reaction method using fine bubbles
US-2021322947-A1 · Oct 21, 2021 · US
Microbubble integrated structure and method of manufacturing the same
US-11123696-B2 · Sep 21, 2021 · US
Bubble generation device, tubular member, bubble generation method, and method for manufacturing bubble generation device
US-11110414-B2 · Sep 7, 2021 · US
Apparatus for and method of producing ultrafine bubble-containing liquid, and ultrafine bubble-containing liquid
US-2021268397-A1 · Sep 2, 2021 · US
Ultrafine bubble generating apparatus and ultrafine bubble generating method
US-2021245072-A1 · Aug 12, 2021 · US
Ufb-containing liquid production apparatus and ufb-containing liquid production method
US-2021245118-A1 · Aug 12, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F23/2373?
- CPC B01F23/2373 is the Cooperative Patent Classification code for “for obtaining fine bubbles, i.e. bubbles with a size below 100 µm.”
- How many patents are filed under CPC B01F23/2373 (for obtaining fine bubbles, i.e. bubbles with a size below 100 µm)?
- Our database includes 135 publications tagged with this CPC code.
- Is patent activity under CPC B01F23/2373 growing?
- Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).