B01F 25/31242
The main flow being injected in the central area of the venturi
Official title: {the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit (B01F25/31243 takes precedence)}
B01F25/31242 (The main flow being injected in the central area of the venturi) appears on 418 US grants and 414 published applications in this corpus.
Search patents in B01F- Granted patents
- 418
- Published applications
- 414
- Assignees
- 303
- Inventors
- 825
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 4 |
| 2002 | 3 | 6 |
| 2003 | 8 | 9 |
| 2004 | 4 | 11 |
| 2005 | 5 | 12 |
| 2006 | 10 | 19 |
| 2007 | 4 | 12 |
| 2008 | 12 | 11 |
| 2009 | 10 | 14 |
| 2010 | 7 | 7 |
| 2011 | 6 | 11 |
| 2012 | 6 | 23 |
| 2013 | 14 | 25 |
| 2014 | 13 | 20 |
| 2015 | 11 | 16 |
| 2016 | 19 | 26 |
| 2017 | 17 | 25 |
| 2018 | 18 | 12 |
| 2019 | 15 | 20 |
| 2020 | 21 | 21 |
| 2021 | 13 | 24 |
| 2022 | 23 | 28 |
| 2023 | 17 | 15 |
| 2024 | 18 | 17 |
| 2025 | 12 | 16 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Monodispersed microbubbles production using a modified micro-venturi bubble generator16 Jun 2026US 12,654,141 B2Khalifa University of Science and Technology
- System using venturi injectors in series24 Mar 2026US 12,583,780 B1Eco World Water Corp.
- Fluid system and method of separating oil from air in aircraft engine8 Oct 2026US 2026/0306988 A1Pratt & Whitney Canada Corp.
- 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.
- Apparatus and method of transferring a gas, liquid or substance into another gas or liquid using multiple venturi injectors in a single apparatus30 Jul 2026US 2026/0216673 A1
- Method and apparatus to mix gas with a fluid16 Jul 2026US 2026/0199846 A1Soave Enterprises LLC
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Most cited
By later US patents
- Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof147US 6,120,008 ALife International Products, Inc. · 2000
- Dispensing a viscous use solution by diluting a less viscous concentrate94US 5,816,446 AEcolab Inc. · 1998
- Mixer-injectors with twisting and straightening vanes82US 5,863,128 A1999
- Automatic cement mixing and density simulator and control system and equipment for oil well cementing81US 5,571,281 A1996
- Device and method for generating micro bubbles in a liquid using hydrodynamic cavitation81US 7,338,551 B2Five Star Technologies, Inc. · 2008