B01F 33/4532
Using a bearing, tube, opening or gap for internally supporting the stirring
Official title: {using a bearing, tube, opening or gap for internally supporting the stirring element}
B01F33/4532 (Using a bearing, tube, opening or gap for internally supporting the stirring) appears on 38 US grants and 48 published applications in this corpus.
Search patents in B01F- Granted patents
- 38
- Published applications
- 48
- Assignees
- 35
- Inventors
- 79
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 1 | 4 |
| 2018 | 1 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 1 |
| 2021 | 3 | 0 |
| 2022 | 0 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- System using a levitating, rotating pumping or mixing element and related methods45US 7,086,778 B2LevTech, Inc. · 2006
- Mixing bag or vessel having a receiver for a fluid-agitating element41US 7,481,572 B2LevTech, Inc. · 2009
- Stirrer36US 5,141,327 ASatake Chemical Equipment Mfg., Ltd. · 1992
- Mixer system31US 5,758,965 AGeneral Signal Corporation · 1998
- Magnetic stirring system for wine aeration and method of using same30US 10,350,561 B12019