B01F 35/80
Forming a predetermined ratio of the substances to be mixed
Official title: Forming a predetermined ratio of the substances to be mixed (controlling ratio of two or more flows of fluid or fluent material G05D11/02)
B01F35/80 (Forming a predetermined ratio of the substances to be mixed) appears on 1,418 US grants and 1,218 published applications in this corpus.
Search patents in B01F- Granted patents
- 1,418
- Published applications
- 1,218
- Assignees
- 1,018
- Inventors
- 3,129
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 21 | 0 |
| 1978 | 17 | 0 |
| 1979 | 13 | 0 |
| 1980 | 13 | 0 |
| 1981 | 19 | 0 |
| 1982 | 23 | 0 |
| 1983 | 16 | 0 |
| 1984 | 20 | 0 |
| 1985 | 20 | 0 |
| 1986 | 15 | 0 |
| 1987 | 20 | 0 |
| 1988 | 22 | 0 |
| 1989 | 28 | 0 |
| 1990 | 21 | 0 |
| 1991 | 16 | 0 |
| 1992 | 25 | 0 |
| 1993 | 20 | 0 |
| 1994 | 32 | 0 |
| 1995 | 22 | 0 |
| 1996 | 28 | 0 |
| 1997 | 17 | 0 |
| 1998 | 15 | 0 |
| 1999 | 34 | 0 |
| 2000 | 30 | 0 |
| 2001 | 38 | 16 |
| 2002 | 26 | 36 |
| 2003 | 35 | 56 |
| 2004 | 41 | 70 |
| 2005 | 31 | 65 |
| 2006 | 23 | 58 |
| 2007 | 23 | 55 |
| 2008 | 29 | 43 |
| 2009 | 28 | 46 |
| 2010 | 27 | 35 |
| 2011 | 32 | 37 |
| 2012 | 26 | 34 |
| 2013 | 25 | 53 |
| 2014 | 27 | 38 |
| 2015 | 41 | 58 |
| 2016 | 38 | 47 |
| 2017 | 51 | 41 |
| 2018 | 30 | 48 |
| 2019 | 38 | 62 |
| 2020 | 56 | 55 |
| 2021 | 36 | 55 |
| 2022 | 39 | 61 |
| 2023 | 42 | 38 |
| 2024 | 52 | 44 |
| 2025 | 39 | 50 |
| 2026 | 21 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 35/88By feeding the materials batchwise624
- B01F 35/83By controlling the ratio of two or more flows512
- B01F 35/82By adding a material to be mixed to a mixture in response193
- B01F 35/81Forming mixtures with changing ratios or gradients73
- B01F 35/892For solid materials32
- B01F 35/896Characterised by the build-up of the device20
- B01F 35/894Measuring receptacles therefor12
Recent patents
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- Beverage dispenser1 Oct 2026US 2026/0296871 A1Luckin Food Technology (Shanghai) Co., Ltd.
- Premixing apparatus17 Sep 2026US 2026/0273486 A1Rinnai Corporation
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Most cited
By later US patents
- Dissolved oxygen control system for aquaculture249US 10,219,491 B2Pentair Water Pool and Spa, Inc. · 2019
- Apparatus and method for dilution and mixing of liquid samples233US 4,868,129 ABiotrack, Inc. · 1989
- Devices and methods for the performance of miniaturized in vitro amplification assays210US 6,706,519 B1Tecan Trading AG · 2004
- Integrated serial dilution and mixing cartridge204US 5,077,017 ABiotrack, Inc. · 1991
- Apparatus and method for dilution and mixing of liquid samples200US 4,946,795 ABiotrack, Inc. · 1990