B01F 23/2331
Characterised by the introduction of the gas along the axis of the
Official title: {characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements}
B01F23/2331 (Characterised by the introduction of the gas along the axis of the) appears on 305 US grants and 171 published applications in this corpus.
Search patents in B01F- Granted patents
- 305
- Published applications
- 171
- Assignees
- 176
- Inventors
- 515
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 9 |
| 2002 | 11 | 4 |
| 2003 | 10 | 5 |
| 2004 | 6 | 7 |
| 2005 | 3 | 8 |
| 2006 | 3 | 6 |
| 2007 | 4 | 10 |
| 2008 | 6 | 6 |
| 2009 | 2 | 9 |
| 2010 | 7 | 10 |
| 2011 | 6 | 4 |
| 2012 | 8 | 12 |
| 2013 | 3 | 6 |
| 2014 | 11 | 7 |
| 2015 | 3 | 6 |
| 2016 | 7 | 7 |
| 2017 | 8 | 5 |
| 2018 | 1 | 2 |
| 2019 | 3 | 7 |
| 2020 | 2 | 9 |
| 2021 | 3 | 6 |
| 2022 | 9 | 5 |
| 2023 | 8 | 3 |
| 2024 | 5 | 10 |
| 2025 | 4 | 5 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 23/23311Through a hollow stirrer axis176
- B01F 23/23314Through a hollow stirrer element116
- B01F 23/23312Through a conduit surrounding the stirrer axis40
- B01F 23/23313Through a separate conduit substantially parallel with the stirrer axis30
- B01F 23/23315Through a hollow guide surrounding the stirrer element7
- B01F 23/23316Through a separate hollow guide substantially parallel with the stirrer element6
Recent patents
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- Gas dispersion system19 Aug 2025US 12,390,773 B2NOV Process and Flow Technologies US, Inc.
- Method for sterilizing an assembly comprising at least one single-use device for biopharmaceutical fluid12 Aug 2025US 12,383,638 B2Sartorius Stedim Fmt SAS
- A milk texturing device6 Aug 2026US 2026/0223807 A1Breville Pty Limited
- Iced beverage blending cup devices, systems, and methods25 Jun 2026US 2026/0174286 A1
- Carbonation machine and method for carbonating various liquids1 Jan 2026US 2026/0001047 A1Sodastream Industries Ltd.
- Devices for multi-stage straw mixing and dispensing in beverage production and associated methods25 Dec 2025US 2025/0387766 A1
- Stirring assembly and milk frother20 Nov 2025US 2025/0352960 A1Shenzhen Chuangpu Network Technology Co., Ltd.
Most cited
By later US patents
- Device for releasing and diffusing bubbles into liquid140US 4,611,790 AShowa Aluminum Corporation · 1986
- Rotary blade-type apparatus for dissolving alloy elements and dispersing gas in an aluminum bath133US 4,802,656 AAluminium Pechiney · 1989
- Rotary device for treating molten metal131US 4,634,105 AFoseco International Limited · 1987
- Dispersing gas into molten metal131US 4,954,167 A1990
- Gas dispersion stirrer with flow-inducing blades127US 5,318,360 AStelzer Ruhrtechnik GmbH · 1994