B01F 23/2336
Characterised by the location of the place of introduction of the gas
Official title: {characterised by the location of the place of introduction of the gas relative to the stirrer}
B01F23/2336 (Characterised by the location of the place of introduction of the gas) appears on 305 US grants and 182 published applications in this corpus.
Search patents in B01F- Granted patents
- 305
- Published applications
- 182
- Assignees
- 180
- Inventors
- 551
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 10 |
| 2002 | 13 | 5 |
| 2003 | 8 | 9 |
| 2004 | 9 | 7 |
| 2005 | 2 | 6 |
| 2006 | 1 | 4 |
| 2007 | 5 | 6 |
| 2008 | 2 | 5 |
| 2009 | 3 | 5 |
| 2010 | 6 | 9 |
| 2011 | 4 | 7 |
| 2012 | 5 | 5 |
| 2013 | 4 | 10 |
| 2014 | 6 | 9 |
| 2015 | 7 | 5 |
| 2016 | 4 | 8 |
| 2017 | 7 | 8 |
| 2018 | 4 | 5 |
| 2019 | 6 | 11 |
| 2020 | 9 | 6 |
| 2021 | 1 | 12 |
| 2022 | 6 | 6 |
| 2023 | 10 | 7 |
| 2024 | 3 | 6 |
| 2025 | 9 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 23/23362The gas being introduced under the stirrer139
- B01F 23/23364The gas being introduced between the stirrer elements72
- B01F 23/23363The gas being introduced above the stirrer66
- B01F 23/23365The gas being introduced at the radial periphery of the stirrer22
- B01F 23/23366The gas being introduced in front of the stirrer22
- B01F 23/23367The gas being introduced behind the stirrer16
- B01F 23/23361The gas being introduced in a guide tube surrounding at least partially6
Recent patents
- Impeller and sparger assemblies for a bioprocessing system31 Mar 2026US 12,589,366 B2Global Life Sciences Solutions USA LLC
- Device and method for gassing a liquid31 Mar 2026US 12,589,367 B2Cetotec GmbH
- Sparger assemblies for a bioprocessing system3 Mar 2026US 12,565,634 B2Global Life Sciences Solutions USA LLC
- Methods of installing a flexible bioprocess container in a bioprocessing system11 Nov 2025US 12,467,030 B2Life Technologies Corporation
- Fluid mixing systems including helical mixing assembly with impeller attachment4 Nov 2025US 12,460,171 B2Life Technologies Corporation
- Foam breaker device and methods of use27 Aug 2026US 2026/0250618 A1Life Technologies Corporation
- Agitated tank with improved homogeneity bubble distribution and method thereof6 Aug 2026US 2026/0225048 A1
- Impeller and Sparger Assemblies for a Bioprocessing System23 Jul 2026US 2026/0208127 A1Global Life Sciences Solutions USA LLC
- Fluid Mixing Systems Including Helical Mixing Assembly With Impeller Attachment14 May 2026US 2026/0132368 A1Life Technologies Corporation
- Methods of installing a flexible bioprocess container in a bioprocessing system5 Mar 2026US 2026/0062662 A1Life Technologies Corporation
Most cited
By later US patents
- Device for releasing and diffusing bubbles into liquid140US 4,611,790 AShowa Aluminum Corporation · 1986
- Dispersing gas into molten metal131US 4,954,167 A1990
- Diffuser/emulsifier124US 6,386,751 B1Diffusion Dynamics, Inc. · 2002
- Oxygen enrichment method and system72US 5,356,600 APraxair Technology, Inc. · 1994
- Agitators70US 5,198,156 AImperial Chemical Industries PLC · 1993