B01F 27/19
Stirrers with two or more mixing elements mounted in sequence on the
Official title: Stirrers with two or more mixing elements mounted in sequence on the same axis
B01F27/19 (Stirrers with two or more mixing elements mounted in sequence on the) appears on 588 US grants and 634 published applications in this corpus.
Search patents in B01F- Granted patents
- 588
- Published applications
- 634
- Assignees
- 494
- Inventors
- 1,623
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 12 | 9 |
| 2002 | 10 | 7 |
| 2003 | 15 | 5 |
| 2004 | 7 | 22 |
| 2005 | 5 | 15 |
| 2006 | 7 | 15 |
| 2007 | 10 | 17 |
| 2008 | 11 | 20 |
| 2009 | 9 | 16 |
| 2010 | 8 | 16 |
| 2011 | 14 | 13 |
| 2012 | 9 | 15 |
| 2013 | 5 | 26 |
| 2014 | 12 | 15 |
| 2015 | 18 | 36 |
| 2016 | 14 | 21 |
| 2017 | 28 | 51 |
| 2018 | 34 | 44 |
| 2019 | 40 | 41 |
| 2020 | 41 | 50 |
| 2021 | 15 | 29 |
| 2022 | 32 | 26 |
| 2023 | 29 | 34 |
| 2024 | 24 | 34 |
| 2025 | 22 | 31 |
| 2026 | 13 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation method for iron phosphate powder by microporous filtration and concentration and preparation device thereof6 Oct 2026US 12,753,078 B2Zhejiang Dong'ou Filtering Machinery Manufacturing Co., Ltd.
- Cell separation apparatus for bioreactor6 Oct 2026US 12,753,381 B2Alit Biotech (Shanghai) Co., Ltd.
- Ultra-dispersion mixer29 Sep 2026US 12,746,521 B2SK On Co., Ltd.
- Thermokinetic mixer for melt-mixing waste plastic products8 Sep 2026US 12,728,395 B2Greenbul Engineering EOOD
- Single use bioreactor18 Aug 2026US 12,709,725 B2Lonza Ltd.
- Methods and devices for radioactive waste solidification8 Oct 2026US 2026/0311904 A1AVANTech, Inc.
- Liquid-sourdough manufacturing installation and method24 Sep 2026US 2026/0283163 A1Mauri Technology B.V.
- Multilayer series axial-flow type slurry dispersing device and powder-liquid mixing device24 Sep 2026US 2026/0284613 A1Wuxi Rich Intelligent Equipment Co., Ltd.
- Foam breaker device and methods of use27 Aug 2026US 2026/0250618 A1Life Technologies Corporation
- High-pressure reactor27 Aug 2026US 2026/0250800 A1Gem Co., Ltd.
Most cited
By later US patents
- Apparatus for continuously blending viscous liquids with particulate solids120US 4,506,982 AUnion Oil Company of California · 1985
- Method for fluxing molten metal111US 5,616,167 A1997
- Mixing and agitating device100US 4,225,247 A1980
- Dynamic mixer for dental impression compounds92US 6,540,395 B2Ernst Muhlbauer KG · 2003
- Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds78US 4,243,636 AMitsui Petrochemical Industries, Ltd. · 1981