Ultrafine bubble generating method, ultrafine bubble generating apparatus, and ultrafine bubble-containing liquid
US-11179652-B2 · Nov 23, 2021 · US
using driven stirrers with completely immersed stirring elements
using driven stirrers with completely immersed stirring elements · 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 | B01F23/233 |
| Official title | using driven stirrers with completely immersed stirring elements |
| Display label | using driven stirrers with completely immersed stirring elements |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 14 |
| 2021 | 9 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and apparatus for gas stream mass transfer with a liquid
US-11162062-B2 · Nov 2, 2021 · US
Ultrafine bubble generating apparatus and ultrafine bubble generating method
US-2021245072-A1 · Aug 12, 2021 · US
Ultrafine bubble generating apparatus and controlling method thereof
US-2021129041-A1 · May 6, 2021 · US
Heat Exchanger System with Flexible Bag
US-2020407669-A1 · Dec 31, 2020 · US
Reactor for gas-liquid mass transfer
US-10865459-B2 · Dec 15, 2020 · US
Fine bubble supply device, and fine bubble analyzing system
US-2020376448-A1 · Dec 3, 2020 · US
Reactor for gas-liquid mass transfer
US-2020332389-A1 · Oct 22, 2020 · US
Methods and Apparatus for Processing Fluids
US-2020324257-A1 · Oct 15, 2020 · US
Reciprocating stirring apparatus having micro bubble generating device
US-10799841-B2 · Oct 13, 2020 · US
Ultrafine bubble generating method, ultrafine bubble generating apparatus, and ultrafine bubble-containing liquid
US-2020276515-A1 · Sep 3, 2020 · US
Ultrafine bubble generating method, ultrafine bubble generating apparatus, and ultrafine bubble-containing liquid
US-2020276804-A1 · Sep 3, 2020 · US
Ultrafine bubble generating apparatus and ultrafine bubble generating method
US-2020276550-A1 · Sep 3, 2020 · US
Methods and Apparatus for Gas Stream Mass Transfer with a Liquid
US-2020231922-A1 · Jul 23, 2020 · US
Heat exchanger system with flexible bag
US-10711233-B2 · Jul 14, 2020 · US
Mixer-container and method for assembling a mixer-container including a telescopic shaft
US-10702838-B2 · Jul 7, 2020 · US
Contra-rotating multi-layer propeller unit for multi-phase flow
US-10609910-B2 · Apr 7, 2020 · US
Methods and apparatus for processing fluids
US-10525425-B2 · Jan 7, 2020 · US
Methods and apparatus for gas stream mass transfer with a liquid
US-10519413-B2 · Dec 31, 2019 · US
Apparatus and operating method for deep denitrification and toxicity reduction of wastewater
US-2019389756-A1 · Dec 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F23/233?
- CPC B01F23/233 is the Cooperative Patent Classification code for “using driven stirrers with completely immersed stirring elements.”
- How many patents are filed under CPC B01F23/233 (using driven stirrers with completely immersed stirring elements)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC B01F23/233 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).