B01F 23/234
Surface aerating
B01F23/234 (Surface aerating) appears on 413 US grants and 325 published applications in this corpus.
Search patents in B01F- Granted patents
- 413
- Published applications
- 325
- Assignees
- 244
- Inventors
- 706
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 3 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 4 |
| 2002 | 11 | 3 |
| 2003 | 11 | 12 |
| 2004 | 7 | 16 |
| 2005 | 9 | 3 |
| 2006 | 7 | 6 |
| 2007 | 5 | 11 |
| 2008 | 3 | 12 |
| 2009 | 5 | 10 |
| 2010 | 10 | 11 |
| 2011 | 8 | 15 |
| 2012 | 10 | 18 |
| 2013 | 10 | 29 |
| 2014 | 11 | 18 |
| 2015 | 10 | 10 |
| 2016 | 11 | 14 |
| 2017 | 13 | 12 |
| 2018 | 13 | 33 |
| 2019 | 17 | 18 |
| 2020 | 15 | 14 |
| 2021 | 16 | 11 |
| 2022 | 10 | 10 |
| 2023 | 7 | 8 |
| 2024 | 11 | 12 |
| 2025 | 6 | 10 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for optimizing the energy consumption of an aerator in the field of water treatment23 Dec 2025US 12,503,381 B2L'Air Liquide Societe Anonyme Pour L'Etude Et L' Exploitation Des Procedes George Claude
- Drop-in beverage dispenser16 Dec 2025US 12,497,282 B2Marmon Foodservice Technologies, Inc.
- Device for dissolving gas in liquid30 Sep 2025US 12,428,327 B2
- Assembly for selectively aerating a beverage23 Sep 2025US 12,420,244 B2üLlo, LLC
- Assembly for selectively aerating and changing the temperature of a beverage15 Jul 2025US 12,357,952 B2üLlo, LLC
- Bubble-fountain-type water circulation device3 Sep 2026US 2026/0257951 A1C&C Solution Co., Ltd
- Gas-containing solution production method and gas-containing solution production system9 Jul 2026US 2026/0192260 A1Canon Kabushiki Kaisha
- Drop-in beverage dispenser2 Apr 2026US 2026/0091970 A1Marmon Foodservice Technologies, Inc.
- Flavor and Aroma Enhancing Aeration Drinking Vessel5 Feb 2026US 2026/0033651 A1
- Apparatus and Method for In-Bottle Wine Aeration5 Feb 2026US 2026/0034521 A1
Most cited
By later US patents
- Method of blood oxygenation151US 6,565,807 B1TherOx, Inc. · 2003
- Disposable cartridge for producing gas-enriched fluids139US 6,613,280 B2TherOx, Inc. · 2003
- Low pressure, high efficiency carbonator and method132US 4,850,269 AAquatec GmbH · 1989
- Fluid treatment125US 4,719,056 AIsoworth Limited · 1988
- Apparatus for oxygenating wastewater108US 7,008,535 B1DynamOx, Inc. · 2006