B01F 33/45
Magnetic mixers
Official title: Magnetic mixers; Mixers with magnetically driven stirrers
B01F33/45 (Magnetic mixers) appears on 917 US grants and 1,029 published applications in this corpus.
Search patents in B01F- Granted patents
- 917
- Published applications
- 1,029
- Assignees
- 632
- Inventors
- 2,237
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 22 | 0 |
| 2001 | 21 | 15 |
| 2002 | 20 | 24 |
| 2003 | 24 | 40 |
| 2004 | 18 | 32 |
| 2005 | 21 | 42 |
| 2006 | 10 | 36 |
| 2007 | 13 | 37 |
| 2008 | 21 | 27 |
| 2009 | 19 | 36 |
| 2010 | 15 | 44 |
| 2011 | 12 | 30 |
| 2012 | 27 | 33 |
| 2013 | 32 | 35 |
| 2014 | 27 | 45 |
| 2015 | 19 | 52 |
| 2016 | 30 | 31 |
| 2017 | 36 | 48 |
| 2018 | 39 | 65 |
| 2019 | 41 | 49 |
| 2020 | 49 | 46 |
| 2021 | 37 | 49 |
| 2022 | 31 | 46 |
| 2023 | 34 | 33 |
| 2024 | 44 | 52 |
| 2025 | 34 | 52 |
| 2026 | 19 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Asymmetrical magnetic stir bar22 Sep 2026US 12,741,254 B2Hach Company
- Magnetic-based actuation mechanisms for actuating magnetically-responsive microposts in a reaction chamber25 Aug 2026US 12,714,997 B2Redbud Labs, Inc.
- Carbonation chamber28 Jul 2026US 12,691,425 B2SharkNinja Operating LLC
- Magnetic stirrer with lifting table21 Jul 2026US 12,686,010 B2Hans Heidolph GmbH
- Magnetic self-stirrer14 Jul 2026US 12,678,753 B2Whirlpool Corporation
- Method and Device For Laboratory Formulation and Chemical Vending8 Oct 2026US 2026/0307029 A1
- Function-adding adapter for a magnetic stirrer, and magnetic stirrer arrangement8 Oct 2026US 2026/0307030 A1IKA-Werke GmbH & Co. KG
- Ferromagnetic rotors for agitating the liquid in a microwell17 Sep 2026US 2026/0273526 A1Access Medical Systems, Ltd.
- Hydrogen infused drinking system10 Sep 2026US 2026/0264029 A1
- Hydrogen infused drinking system27 Aug 2026US 2026/0249257 A1
Most cited
By later US patents
- Integrated nucleic acid diagnostic device1,005US 5,856,174 AAffymetrix, Inc. · 1999
- Integrated nucleic acid diagnostic device989US 5,922,591 AAffymetrix, Inc. · 1999
- Miniaturized genetic analysis systems and methods668US 6,168,948 AAffymetrix, Inc. · 2001
- Integrated nucleic acid diagnostic device409US 6,043,080 AAffymetrix, Inc. · 2000
- Integrated nucleic acid diagnostic device388US 6,197,595 B1Affymetrix, Inc. · 2001