B01F 33/81
Combinations of similar mixers
Official title: Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
B01F33/81 (Combinations of similar mixers) appears on 591 US grants and 753 published applications in this corpus.
Search patents in B01F- Granted patents
- 591
- Published applications
- 753
- Assignees
- 439
- Inventors
- 1,456
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 11 | 0 |
| 2000 | 2 | 0 |
| 2001 | 11 | 5 |
| 2002 | 15 | 6 |
| 2003 | 8 | 29 |
| 2004 | 7 | 16 |
| 2005 | 9 | 22 |
| 2006 | 9 | 13 |
| 2007 | 6 | 17 |
| 2008 | 12 | 30 |
| 2009 | 16 | 55 |
| 2010 | 18 | 39 |
| 2011 | 31 | 32 |
| 2012 | 26 | 31 |
| 2013 | 45 | 35 |
| 2014 | 23 | 28 |
| 2015 | 24 | 29 |
| 2016 | 17 | 34 |
| 2017 | 25 | 26 |
| 2018 | 20 | 41 |
| 2019 | 19 | 30 |
| 2020 | 31 | 40 |
| 2021 | 26 | 39 |
| 2022 | 22 | 36 |
| 2023 | 30 | 34 |
| 2024 | 33 | 31 |
| 2025 | 24 | 36 |
| 2026 | 15 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Large scale microdroplet generation apparatus and methods of manufacturing thereof6 Oct 2026US 12,752,269 B2The Trustees of the University of Pennsylvania
- System and method for responsively injecting chemistries directly into a downhole slurry8 Sep 2026US 12,729,590 B2Sentinel Solutions LLC
- Dilution wall11 Aug 2026US 12,702,959 B2Ecochem Australia Pty Ltd
- Conditioning system for a test bench28 Jul 2026US 12,691,428 B2AVL List GmbH
- Continuous flow microfluidic system28 Apr 2026US 12,611,640 B2The University of British Columbia
- Static mixing elements with a separator and deflecting surfaces and static mixers1 Oct 2026US 2026/0295543 A1Medmix Switzerland AG
- Microfluidic mixing1 Oct 2026US 2026/0295545 A1Syngenta Crop Protection AG
- Fluidic mixer unit device for nanoparticle production24 Sep 2026US 2026/0284615 A1AstraZeneca AB
- Modular mesh component for foaming dispensers and tooling and methods for manufacturing the same17 Sep 2026US 2026/0273482 A1
- System and method for producing a pasty food27 Aug 2026US 2026/0248164 A1Challenger Industrial Solutions GmbH
Most cited
By later US patents
- Emulsions and techniques for formation330US 7,776,927 B2President and Fellows of Harvard College · 2010
- Apparatus and methods for conducting assays and high throughput screening185US 7,378,280 B2California Institute of Technology · 2008
- Process and apparatus for making aqueous hydrocarbon fuel compositions, and aqueous hydrocarbon fuel compositions171US 6,383,237 B12002
- System for forming emulsions157US 9,089,844 B2Bio-Rad Laboratories, Inc. · 2015
- Multifunctional blending equipment139US 10,870,093 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2020