B01F 25/00
Flow mixers
Official title: Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04)
B01F25/00 (Flow mixers) appears on 8,356 US grants and 8,067 published applications in this corpus.
Search patents in B01F- Granted patents
- 8,356
- Published applications
- 8,067
- Assignees
- 4,376
- Inventors
- 17,350
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 63 | 0 |
| 1977 | 72 | 0 |
| 1978 | 82 | 0 |
| 1979 | 54 | 0 |
| 1980 | 80 | 0 |
| 1981 | 79 | 0 |
| 1982 | 78 | 0 |
| 1983 | 65 | 0 |
| 1984 | 84 | 0 |
| 1985 | 81 | 0 |
| 1986 | 68 | 0 |
| 1987 | 85 | 0 |
| 1988 | 75 | 0 |
| 1989 | 124 | 0 |
| 1990 | 103 | 0 |
| 1991 | 88 | 0 |
| 1992 | 94 | 0 |
| 1993 | 77 | 0 |
| 1994 | 106 | 0 |
| 1995 | 118 | 0 |
| 1996 | 117 | 0 |
| 1997 | 104 | 0 |
| 1998 | 127 | 0 |
| 1999 | 169 | 0 |
| 2000 | 177 | 0 |
| 2001 | 211 | 75 |
| 2002 | 160 | 191 |
| 2003 | 175 | 238 |
| 2004 | 152 | 271 |
| 2005 | 138 | 264 |
| 2006 | 146 | 308 |
| 2007 | 119 | 262 |
| 2008 | 155 | 308 |
| 2009 | 156 | 307 |
| 2010 | 187 | 314 |
| 2011 | 164 | 300 |
| 2012 | 204 | 319 |
| 2013 | 237 | 332 |
| 2014 | 268 | 360 |
| 2015 | 261 | 390 |
| 2016 | 313 | 370 |
| 2017 | 309 | 422 |
| 2018 | 295 | 362 |
| 2019 | 354 | 409 |
| 2020 | 369 | 423 |
| 2021 | 324 | 388 |
| 2022 | 291 | 370 |
| 2023 | 290 | 319 |
| 2024 | 287 | 306 |
| 2025 | 270 | 274 |
| 2026 | 151 | 185 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 25/40Static mixers3,646
- B01F 25/30Injector mixers3,300
- B01F 25/20Jet mixers, i.e. mixers using high-speed fluid streams1,041
- B01F 25/50Circulation mixers1,026
- B01F 2025/91Direction of flow or arrangement of feed and discharge openingsIndexing code717
- B01F 25/10Mixing by creating a vortex flow666
- B01F 25/60Pump mixers, i.e. mixing within a pump266
- B01F 25/70Spray-mixers254
All 13 subgroupsShow fewer
- B01F 2025/93Arrangements, nature or configuration of flow guiding elementsIndexing code218
- B01F 25/80Falling particle mixers218
- B01F 25/105Mixing heads, i.e. compact mixing units or modules, using mixing valves for183
- B01F 25/14Mixing drops, droplets or bodies of liquid which flow together or contact53
- B01F 25/12Interdigital mixers, i.e. the substances to be mixed are divided in sub-streams31
Recent patents
- Large scale microdroplet generation apparatus and methods of manufacturing thereof6 Oct 2026US 12,752,269 B2The Trustees of the University of Pennsylvania
- Mineral spring generator29 Sep 2026US 12,746,517 B2National Taipei University of Technology
- Method and system for forming a liquid mixture29 Sep 2026US 12,746,519 B2Legion Innovations and Technologies LLC
- Method and apparatus for water processing29 Sep 2026US 12,746,520 B2
- Mixing plant with intermediate purge and associated control method29 Sep 2026US 12,746,524 B2Exel Industries
- Fluid system and method of separating oil from air in aircraft engine8 Oct 2026US 2026/0306988 A1Pratt & Whitney Canada Corp.
- Adjustable additive delivery systems and dispensing closure valves for the same8 Oct 2026US 2026/0307022 A1Cirkul, Inc.
- Fluid mixing assembly having a thermostatic mixing valve8 Oct 2026US 2026/0309243 A1Reliance Worldwide Corporation (Aust.) Pty. Ltd.
- Method for producing dispersion composition1 Oct 2026US 2026/0295542 A1artience Co., Ltd.
- Static mixing elements with a separator and deflecting surfaces and static mixers1 Oct 2026US 2026/0295543 A1Medmix Switzerland AG
Most cited
By later US patents
- Compositions, systems, and methods for arresting or controlling bleeding or fluid leakage in body tissue1,214US 6,458,147 B1NeoMend, Inc. · 2002
- Mesoscale polynucleotide amplification devices1,091US 5,587,128 AThe Trustees of the University of Pennsylvania · 1996
- Mesoscale polynucleotide amplification device and method1,042US 5,498,392 AThe Trustees of the University of Pennsylvania · 1996
- Methods and apparatus for the detection of an analyte utilizing mesoscale flow systems1,006US 5,637,469 AThe Trustees of the University of Pennsylvania · 1997
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990