B01F 23/231266
Being in the form of rings or annular elements
Official title: {being in the form of rings or annular elements}
B01F23/231266 (Being in the form of rings or annular elements) appears on 48 US grants and 41 published applications in this corpus.
Search patents in B01F- Granted patents
- 48
- Published applications
- 41
- Assignees
- 29
- Inventors
- 88
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 6 |
| 2012 | 2 | 0 |
| 2013 | 3 | 8 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 3 |
| 2017 | 5 | 4 |
| 2018 | 1 | 1 |
| 2019 | 5 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impeller and sparger assemblies for a bioprocessing system31 Mar 2026US 12,589,366 B2Global Life Sciences Solutions USA LLC
- Stirring device with a shaft, adapted to be mounted in a fluid-mixing bioreactor, and method for assembling a stirring device16 Dec 2025US 12,497,584 B2Sartorius Stedim Fmt SAS
- Container with film sparger29 Oct 2024US 12,128,367 B2Life Technologies Corporation
- Process for fermentation of syngas30 Nov 2021US 11,186,811 B2
- Container with film sparger24 Nov 2020US 10,843,141 B2Life Technologies Corporation
- Impeller and Sparger Assemblies for a Bioprocessing System23 Jul 2026US 2026/0208127 A1Global Life Sciences Solutions USA LLC
- Stirring device with a shaft, adapted to be mounted in a fluid-mixing bioreactor, and method for assembling a stirring device25 Aug 2022US 2022/0267708 A1Sartorius Stedim Fmt SAS
- Sparger assemblies for a bioprocessing system28 Jul 2022US 2022/0234012 A1Global Life Sciences Solutions USA LLC
- Impeller and Sparger Assemblies for a Bioprocessing System27 Jan 2022US 2022/0023807 A1Global Life Sciences Solutions USA LLC
- Fermentation systems and methods with substantially uniform volumetric uptake rate of a reactive gaseous component18 Mar 2021US 2021/0079334 A1Genomatica, Inc.
Most cited
By later US patents
- Gas spargers and related container systems87US 8,603,805 B2HyClone Laboratories, Inc. · 2013
- Static oxygenator for suspension culture of animal cells52US 4,960,706 ABaxter International Inc. · 1990
- Mixing vessel36US 9,044,718 B2Sartorius Stedim Biotech GmbH · 2015
- Gas spargers and related container systems29US 9,005,971 B2Life Technologies Corporation · 2015
- Container with film sparger29US 9,643,133 B2Life Technologies Corporation · 2017