B01F 27/60
Mixers with rotary stirring devices in fixed receptacles: with stirrers rotating about
Official title: with stirrers rotating about a horizontal or inclined axis
B01F27/60 (Mixers with rotary stirring devices in fixed receptacles: with stirrers rotating about) appears on 1,309 US grants and 987 published applications in this corpus.
Search patents in B01F- Granted patents
- 1,309
- Published applications
- 987
- Assignees
- 887
- Inventors
- 2,651
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 14 | 0 |
| 1978 | 20 | 0 |
| 1979 | 15 | 0 |
| 1980 | 24 | 0 |
| 1981 | 18 | 0 |
| 1982 | 16 | 0 |
| 1983 | 18 | 0 |
| 1984 | 19 | 0 |
| 1985 | 28 | 0 |
| 1986 | 11 | 0 |
| 1987 | 19 | 0 |
| 1988 | 20 | 0 |
| 1989 | 28 | 0 |
| 1990 | 24 | 0 |
| 1991 | 15 | 0 |
| 1992 | 26 | 0 |
| 1993 | 23 | 0 |
| 1994 | 23 | 0 |
| 1995 | 28 | 0 |
| 1996 | 24 | 0 |
| 1997 | 33 | 0 |
| 1998 | 35 | 0 |
| 1999 | 35 | 0 |
| 2000 | 23 | 0 |
| 2001 | 34 | 12 |
| 2002 | 25 | 26 |
| 2003 | 23 | 21 |
| 2004 | 14 | 21 |
| 2005 | 12 | 45 |
| 2006 | 23 | 22 |
| 2007 | 9 | 23 |
| 2008 | 17 | 34 |
| 2009 | 12 | 40 |
| 2010 | 21 | 31 |
| 2011 | 24 | 35 |
| 2012 | 30 | 32 |
| 2013 | 26 | 29 |
| 2014 | 28 | 32 |
| 2015 | 38 | 57 |
| 2016 | 26 | 48 |
| 2017 | 38 | 58 |
| 2018 | 37 | 53 |
| 2019 | 40 | 57 |
| 2020 | 48 | 64 |
| 2021 | 36 | 48 |
| 2022 | 56 | 31 |
| 2023 | 35 | 42 |
| 2024 | 37 | 56 |
| 2025 | 38 | 35 |
| 2026 | 21 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 27/70With paddles, blades or arms526
- B01F 27/72With helices or sections of helices374
- B01F 27/61About an inclined axis128
- B01F 27/62Comprising liquid feeding99
- B01F 27/71With propellers77
- B01F 27/73With rotary discs58
- B01F 27/75With stirrers having planetary motion, i.e. rotating about their own axis and29
- B01F 27/625The receptacle being divided into compartments24
Recent patents
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- Composition of biodegradable plant fiber raw material grains, and production method thereof25 Aug 2026US 12,715,996 B2Amica Terra Co., Ltd.
- Material mixing and granulation systems and methods14 Jul 2026US 12,678,757 B2Purdue Research Foundation
- Reactor for coating particles in stationary chamber with rotating paddles and gas injection14 Jul 2026US 12,680,163 B2APPLIED Materials.Inc.
- Zero contact screw and ergonomic housing portioning device30 Jun 2026US 12,667,818 B2Henry & Sons, Inc.
- Stirring blade and stirring device including stirring blade1 Oct 2026US 2026/0295544 A1Mitsubishi Heavy Industries, Ltd.
- electromagnetic heating popcorn machine with spherical pot body17 Sep 2026US 2026/0271973 A1Xdf(Hongkong) Machinery Technology Limited
- Rotor Disc Device for Repelling Grinding Media for an Agitator System as Well as an Agitator System for Mechanical Activation and/or Grinding of Organic and/or Inorganic Substances and/or Mixtures of Substances in Chemical, Pharmaceutical, Food and/or Building Materials Applications17 Sep 2026US 2026/0273539 A1NETZSCH-Feinmahltechnik GmbH
- Extruder and housing for exhaust air10 Sep 2026US 2026/0263979 A1The Japan Steel Works, Ltd.
- Compact animal feed mixer and feeder3 Sep 2026US 2026/0256112 A1Farm Aid Equipment, Inc.
Most cited
By later US patents
- Fluid treatment125US 4,719,056 AIsoworth Limited · 1988
- Mixing apparatus and method116US 5,114,239 AHalliburton Company · 1992
- Apparatus for the production of small spherical granules114US 5,833,361 A1998
- Hybrid apparatus and method for blending materials95US 5,110,521 AHydreclaim Corporation · 1992
- Portable mixing/delivery apparatus for pre-blended granular mixtures95US 6,666,573 B22003