B01F 35/3231
Driving several stirrer shafts
Official title: {Driving several stirrer shafts, e.g. about the same axis}
B01F35/3231 (Driving several stirrer shafts) appears on 57 US grants and 40 published applications in this corpus.
Search patents in B01F- Granted patents
- 57
- Published applications
- 40
- Assignees
- 39
- Inventors
- 123
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 3 |
| 2006 | 1 | 6 |
| 2007 | 3 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 5 |
| 2025 | 1 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Thickening device and method for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materials1 Apr 2025US 12,263,453 B1Chengdu University of Technology
- Fluid mixing systems and methods of use2 Apr 2024US 11,944,945 B2Life Technologies Corporation
- Multiwell cell culture system having rotating shafts for mixing culture media and method of use thereof6 Jul 2021US 11,053,468 B2The Johns Hopkins University
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- Thickening device and method for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materials3 Apr 2025US 2025/0108344 A1Chengdu University of Technology
- Fluid mixing systems and methods of use17 Oct 2024US 2024/0342670 A1Life Technologies Corporation
- Fluid mixing systems and methods of use15 Aug 2024US 2024/0269628 A1Life Technologies Corporation
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