B01F 23/23
By introducing gases into liquid media
Official title: by introducing gases into liquid media, e.g. for producing aerated liquids
B01F23/23 (By introducing gases into liquid media) appears on 4,088 US grants and 3,838 published applications in this corpus.
Search patents in B01F- Granted patents
- 4,088
- Published applications
- 3,838
- Assignees
- 2,200
- Inventors
- 7,520
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 45 | 0 |
| 1978 | 38 | 0 |
| 1979 | 29 | 0 |
| 1980 | 52 | 0 |
| 1981 | 61 | 0 |
| 1982 | 37 | 0 |
| 1983 | 24 | 0 |
| 1984 | 44 | 0 |
| 1985 | 34 | 0 |
| 1986 | 32 | 0 |
| 1987 | 49 | 0 |
| 1988 | 48 | 0 |
| 1989 | 57 | 0 |
| 1990 | 64 | 0 |
| 1991 | 54 | 0 |
| 1992 | 64 | 0 |
| 1993 | 55 | 0 |
| 1994 | 52 | 0 |
| 1995 | 51 | 0 |
| 1996 | 49 | 0 |
| 1997 | 51 | 0 |
| 1998 | 64 | 0 |
| 1999 | 69 | 0 |
| 2000 | 90 | 0 |
| 2001 | 103 | 34 |
| 2002 | 88 | 66 |
| 2003 | 69 | 79 |
| 2004 | 54 | 82 |
| 2005 | 47 | 91 |
| 2006 | 51 | 127 |
| 2007 | 54 | 92 |
| 2008 | 55 | 111 |
| 2009 | 54 | 117 |
| 2010 | 75 | 124 |
| 2011 | 61 | 121 |
| 2012 | 99 | 136 |
| 2013 | 110 | 154 |
| 2014 | 109 | 191 |
| 2015 | 113 | 213 |
| 2016 | 161 | 206 |
| 2017 | 155 | 207 |
| 2018 | 148 | 211 |
| 2019 | 170 | 207 |
| 2020 | 189 | 236 |
| 2021 | 167 | 202 |
| 2022 | 156 | 189 |
| 2023 | 159 | 186 |
| 2024 | 144 | 180 |
| 2025 | 132 | 163 |
| 2026 | 104 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 23/231By bubbling1,196
- B01F 23/232Using flow-mixing means for introducing the gases1,181
- B01F 23/237Characterised by the physical or chemical properties of gases or vapours introduced1,167
- B01F 23/233Using driven stirrers with completely immersed stirring elements734
- B01F 23/236Specially adapted for aerating or carbonating beverages656
- B01F 23/234Surface aerating413
- B01F 23/235For making foam393
- B01F 23/2366Parts186
Recent patents
- Valve device for injecting gas into a mixing chamber of a plastic metering device, and plastic metering device29 Sep 2026US 12,746,523 B2Henkel AG & Co. KGaA
- Process for in-line mineralisation and carbonation of demineralised water29 Sep 2026US 12,747,177 B2Flamingo Holding SA
- Self-contained foam-generating device with built-in breathing apparatus22 Sep 2026US 12,741,167 B2Aryballe
- Fine bubble generator, water heater, and dishwasher22 Sep 2026US 12,741,252 B2Rinnai Corporation
- Apparatus and method for CO2 microbubble flooding15 Sep 2026US 12,734,490 B2Dalian University of Technology
- Fluid system and method of separating oil from air in aircraft engine8 Oct 2026US 2026/0306988 A1Pratt & Whitney Canada Corp.
- Blade assembly for a blender8 Oct 2026US 2026/0307023 A1Starbucks Corporation
- System and method for methane elimination in septic systems and method to create carbon credits or their equivalent1 Oct 2026US 2026/0296935 A1
- Oxygen or hydrogen functional water production device1 Oct 2026US 2026/0296941 A1Cosan Co., Ltd.
- Cartridge for Housing a Production of a Therapeutic Microfoam, Automated Device, Method for Producing a Therapeutic Microfoam, and Microfoam24 Sep 2026US 2026/0283952 A1
Most cited
By later US patents
- Liquid waste oxygenation441US 5,463,176 A1995
- Apparatus and method of purifying water with ozone370US 6,673,248 B2S C Trade & Consult AB · 2004
- Foaming cleansing products236US 5,635,469 AThe Procter & Gamble Company · 1997
- Stabilized capillary microjet and devices and methods for producing same168US 6,116,516 AUniversidad de Sevilla · 2000
- Device and method for creating spherical particles of uniform size161US 6,197,835 B1Universidad de Sevilla · 2001