B01F 23/23231
Being at least partially immersed in the liquid
Official title: {being at least partially immersed in the liquid, e.g. in a closed circuit}
B01F23/23231 (Being at least partially immersed in the liquid) appears on 244 US grants and 179 published applications in this corpus.
Search patents in B01F- Granted patents
- 244
- Published applications
- 179
- Assignees
- 178
- Inventors
- 466
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 5 |
| 2004 | 0 | 4 |
| 2005 | 2 | 6 |
| 2006 | 3 | 1 |
| 2007 | 3 | 3 |
| 2008 | 2 | 8 |
| 2009 | 2 | 3 |
| 2010 | 3 | 8 |
| 2011 | 5 | 6 |
| 2012 | 9 | 9 |
| 2013 | 4 | 9 |
| 2014 | 6 | 9 |
| 2015 | 8 | 18 |
| 2016 | 6 | 3 |
| 2017 | 12 | 9 |
| 2018 | 5 | 12 |
| 2019 | 9 | 9 |
| 2020 | 13 | 15 |
| 2021 | 14 | 9 |
| 2022 | 8 | 11 |
| 2023 | 8 | 8 |
| 2024 | 7 | 6 |
| 2025 | 5 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for dispersing gases into liquids16 Jun 2026US 12,654,140 B2Messer Austria GmbH
- Submersible system for production of a stabilized gas flux24 Mar 2026US 12,582,948 B2Infusion Technology, Inc.
- Air-lifting venturi apparatus17 Mar 2026US 12,575,548 B2Aqua Development Ltd.
- Aerator10 Feb 2026US 12,545,609 B2Patrick Charles Pty Ltd
- Recycling of gas in confined plunging liquid jet reactor4 Nov 2025US 12,458,936 B1Kuwait University
- Compound air loop reactor6 Aug 2026US 2026/0225064 A1Arizona Board of Regents on Behalf of the University of Arizona
- Oxygenation assembly for aquaculture, and diffuser thereof26 Mar 2026US 2026/0083105 A1Poseidon Ocean Systems Ltd.
- Apparatus for mixing ionized hydrogen and oxygen ions with gas-phase, liquid-phase, and solid-phase substances and transferring quantum energy to mixtures26 Jun 2025US 2025/0205656 A1
- Gas-liquid injection apparatus and preparation method26 Jun 2025US 2025/0205657 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- A turbine assisted venturi mixer2 Jan 2025US 2025/0001372 A1
Most cited
By later US patents
- Equipment for gassing a liquid and process for operating the equipment80US 4,507,253 ABBC Brown, Boveri & Company, Limited · 1985
- Water aeration apparatus72US 4,702,830 AKaiyo Kogyo Kabushiki Kaisha · 1987
- Pluri-tubular aerator70US 4,911,838 AKabushiki Kobe Seiko Sho · 1990
- Method of supplying air masses and producing jets of water68US 4,752,421 AKaiyo Kogyo Kabushiki Kaisha · 1988
- Gas-liquid reaction method and apparatus57US 4,207,180 A1980