B01F 25/31
In conduits or tubes through which the main component flows
Official title: in conduits or tubes through which the main component flows
B01F25/31 (In conduits or tubes through which the main component flows) appears on 3,144 US grants and 3,095 published applications in this corpus.
Search patents in B01F- Granted patents
- 3,144
- Published applications
- 3,095
- Assignees
- 1,846
- Inventors
- 6,881
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 17 | 0 |
| 1978 | 28 | 0 |
| 1979 | 19 | 0 |
| 1980 | 27 | 0 |
| 1981 | 25 | 0 |
| 1982 | 21 | 0 |
| 1983 | 17 | 0 |
| 1984 | 21 | 0 |
| 1985 | 19 | 0 |
| 1986 | 19 | 0 |
| 1987 | 32 | 0 |
| 1988 | 21 | 0 |
| 1989 | 46 | 0 |
| 1990 | 32 | 0 |
| 1991 | 36 | 0 |
| 1992 | 40 | 0 |
| 1993 | 32 | 0 |
| 1994 | 40 | 0 |
| 1995 | 45 | 0 |
| 1996 | 37 | 0 |
| 1997 | 29 | 0 |
| 1998 | 39 | 0 |
| 1999 | 58 | 0 |
| 2000 | 65 | 0 |
| 2001 | 91 | 31 |
| 2002 | 62 | 70 |
| 2003 | 68 | 92 |
| 2004 | 60 | 92 |
| 2005 | 61 | 97 |
| 2006 | 52 | 104 |
| 2007 | 37 | 89 |
| 2008 | 64 | 107 |
| 2009 | 51 | 115 |
| 2010 | 67 | 109 |
| 2011 | 59 | 90 |
| 2012 | 82 | 114 |
| 2013 | 83 | 127 |
| 2014 | 99 | 159 |
| 2015 | 98 | 139 |
| 2016 | 130 | 144 |
| 2017 | 122 | 155 |
| 2018 | 102 | 130 |
| 2019 | 136 | 176 |
| 2020 | 158 | 185 |
| 2021 | 139 | 161 |
| 2022 | 135 | 156 |
| 2023 | 123 | 132 |
| 2024 | 120 | 119 |
| 2025 | 112 | 124 |
| 2026 | 57 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 25/312With venturi elements1,127
- B01F 25/314Wherein additional components are introduced at the circumference of the conduit922
- B01F 25/313Wherein additional components are introduced in the centre of the conduit912
- B01F 25/316With containers for additional components fixed to the conduit268
- B01F 25/311For mixing more than two components158
- B01F 25/315Wherein a difference of pressure at different points of the conduit causes43
Recent patents
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- Mineral spring generator29 Sep 2026US 12,746,517 B2National Taipei University of Technology
- Mixing plant with intermediate purge and associated control method29 Sep 2026US 12,746,524 B2Exel Industries
- Fine bubble generator, water heater, and dishwasher22 Sep 2026US 12,741,252 B2Rinnai Corporation
- Chemical dispenser having a motorized rotary diverter valve and method of using same22 Sep 2026US 12,741,256 B2Delaware Capital Formation, Inc.
- 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.
- Decomposition chamber for aftertreatment system1 Oct 2026US 2026/0298121 A1Cummins Emission Solutions Inc.
- Removal of atmospheric pollutants from gas, related apparatus, processes and uses thereof24 Sep 2026US 2026/0284589 A1Intelligent Abatement, LLC
- A mixing device and a method for mixing a first substance and a second substance to form a mixed substance24 Sep 2026US 2026/0284611 A1Magnets for Emulsions N.V.
Most cited
By later US patents
- Microfluidic devices for the controlled manipulation of small volumes634US 6,524,456 B1UT-Battelle, LLC · 2003
- Moving microdroplets561US 6,130,098 AThe Regents of the University of Michigan · 2000
- Device and method for pressure-driven plug transport and reaction451US 7,129,091 B2The University of Chicago · 2006
- Non-planar microstructures for manipulation of fluid samples448US 6,368,871 B1Cepheid · 2002
- Semi-continuous feed production of liquid personal care compositions448US 9,174,178 B2The Procter & Gamble Company · 2015