B01F 25/433
Mixing tubes wherein the shape of the tube influences the mixing
Official title: Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
B01F25/433 (Mixing tubes wherein the shape of the tube influences the mixing) appears on 784 US grants and 1,025 published applications in this corpus.
Search patents in B01F- Granted patents
- 784
- Published applications
- 1,025
- Assignees
- 612
- Inventors
- 2,191
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 7 |
| 2002 | 6 | 21 |
| 2003 | 15 | 33 |
| 2004 | 18 | 39 |
| 2005 | 19 | 41 |
| 2006 | 14 | 37 |
| 2007 | 15 | 31 |
| 2008 | 18 | 38 |
| 2009 | 20 | 45 |
| 2010 | 27 | 41 |
| 2011 | 20 | 46 |
| 2012 | 26 | 46 |
| 2013 | 22 | 29 |
| 2014 | 36 | 46 |
| 2015 | 39 | 37 |
| 2016 | 27 | 49 |
| 2017 | 29 | 51 |
| 2018 | 38 | 55 |
| 2019 | 44 | 47 |
| 2020 | 56 | 56 |
| 2021 | 36 | 53 |
| 2022 | 45 | 40 |
| 2023 | 36 | 45 |
| 2024 | 25 | 34 |
| 2025 | 29 | 40 |
| 2026 | 22 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 25/4331Mixers with bended, curved, coiled, wounded mixing tubes or comprising elements for393
- B01F 25/4335Mixers with a converging-diverging cross-section124
- B01F 25/4338Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section124
- B01F 25/4336Mixers with a diverging cross-section84
- B01F 25/4332Mixers with a strong change of direction in the conduit for homogenizing56
- B01F 25/4334Mixers with a converging cross-section52
- B01F 25/4337Mixers with a diverging-converging cross-section41
- B01F 25/4333Mixers with scallop-shaped tubes or surfaces facing each other19
Recent patents
- Post-processing system15 Sep 2026US 12,736,003 B2Isuzu Motors Limited
- Mixers for exhaust aftertreatment systems25 Aug 2026US 12,716,377 B2Cummins Emission Solutions Inc.
- Decomposition chamber with guide swirl mixer11 Aug 2026US 12,704,086 B2Cummins Emission Solutions Inc.
- Nozzle for mixing gas with liquid with compact design30 Jun 2026US 12,667,813 B2ROTAREX Solutions S.A.
- Continuous flow systems with bifurcating mixers23 Jun 2026US 12,661,622 B2The University of British Columbia
- Oxygen or hydrogen functional water production device1 Oct 2026US 2026/0296941 A1Cosan Co., Ltd.
- A microfluidic chip and method for synthesis of nanoparticles27 Aug 2026US 2026/0249292 A1University College Dublin
- Method for producing a compound and apparatus for producing a compound27 Aug 2026US 2026/0250131 A1Helander Holding Oy
- Fluid handling system and method13 Aug 2026US 2026/0233176 A1
- In-line carbonation system6 Aug 2026US 2026/0225049 A1Pentair, Inc.
Most cited
By later US patents
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990
- Capillary flow device522US 4,756,884 ABiotrack, Inc. · 1988
- Device and method for pressure-driven plug transport and reaction451US 7,129,091 B2The University of Chicago · 2006
- Counter flow mixer for process chamber419US 10,322,384 B2ASM IP Holding B. V. · 2019
- Integrated active flux microfluidic devices and methods385US 6,767,706 B2California Institute of Technology · 2004