B01F 33/30
Micromixers
B01F33/30 (Micromixers) appears on 2,016 US grants and 2,662 published applications in this corpus.
Search patents in B01F- Granted patents
- 2,016
- Published applications
- 2,662
- Assignees
- 946
- Inventors
- 4,527
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 19 | 0 |
| 1998 | 19 | 0 |
| 1999 | 34 | 0 |
| 2000 | 41 | 0 |
| 2001 | 55 | 22 |
| 2002 | 47 | 88 |
| 2003 | 56 | 115 |
| 2004 | 46 | 135 |
| 2005 | 53 | 130 |
| 2006 | 52 | 131 |
| 2007 | 56 | 107 |
| 2008 | 65 | 128 |
| 2009 | 61 | 144 |
| 2010 | 85 | 129 |
| 2011 | 77 | 116 |
| 2012 | 85 | 127 |
| 2013 | 99 | 89 |
| 2014 | 95 | 104 |
| 2015 | 95 | 92 |
| 2016 | 92 | 111 |
| 2017 | 85 | 110 |
| 2018 | 79 | 101 |
| 2019 | 67 | 121 |
| 2020 | 109 | 128 |
| 2021 | 81 | 99 |
| 2022 | 78 | 87 |
| 2023 | 84 | 79 |
| 2024 | 64 | 71 |
| 2025 | 54 | 67 |
| 2026 | 31 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 33/301Using specific means for arranging the streams to be mixed481
- B01F 33/302The materials to be mixed flowing in the form of droplets436
- B01F 33/3031Using electro-hydrodynamic [ehd] or electro-kinetic [eki] phenomena to mix or move the246
- B01F 33/3039With mixing achieved by diffusion between layers104
- B01F 33/3035Using surface tension to mix, move or hold the fluids102
- B01F 33/3033Using heat to mix or move the fluids50
- B01F 33/304The mixing being performed in a mixing chamber where the products are46
- B01F 33/3032Using magneto-hydrodynamic [mhd] phenomena to mix or move the fluids45
All 14 subgroupsShow fewer
- B01F 33/305Using mixing means not otherwise provided for19
- B01F 33/3038Using ciliary stirrers to move or stir the fluids14
- B01F 33/3045Using turbulence on microscale13
- B01F 33/3034Using induced convection or movement in the mixture to mix or move10
- B01F 33/3036Using a biological motor, i.e. biological molecules which are activated and movement5
- B01F 33/3037Using coupled electrorotation [cer] phenomena to mix or move fluids, or to0
Recent patents
- Large scale microdroplet generation apparatus and methods of manufacturing thereof6 Oct 2026US 12,752,269 B2The Trustees of the University of Pennsylvania
- Processes of preparing mRNA-loaded lipid nanoparticles15 Sep 2026US 12,734,253 B2Translate Bio, Inc.
- Microscale bioreactor system for and method of providing cell culture growth conditions in a small-volume vessel8 Sep 2026US 12,729,357 B2Redbud Labs, Inc.
- Axisymmetric confined impinging jet mixer1 Sep 2026US 12,722,128 B2The Johns Hopkins University
- Magnetic-based actuation mechanisms for actuating magnetically-responsive microposts in a reaction chamber25 Aug 2026US 12,714,997 B2Redbud Labs, Inc.
- Microfluidic mixing1 Oct 2026US 2026/0295545 A1Syngenta Crop Protection AG
- Axisymmetric confined impinging jet mixer24 Sep 2026US 2026/0284610 A1The Johns Hopkins University
- Fluidic mixer unit device for nanoparticle production24 Sep 2026US 2026/0284615 A1AstraZeneca AB
- Method of manufacturing ultrafine bubble-containing liquid17 Sep 2026US 2026/0273481 A1
- A microfluidic chip and method for synthesis of nanoparticles27 Aug 2026US 2026/0249292 A1University College Dublin
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
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990
- Microfluidic systems incorporating varied channel dimensions843US 5,842,787 ACaliper Technologies Corp. · 1998
- Partitioned microelectronic and fluidic device array for clinical diagnostics and chemical synthesis819US 5,585,069 ADavid Sarnoff Research Center, Inc. · 1996