B01F 27/40
Mixers with rotor-rotor system
Official title: Mixers with rotor-rotor system, e.g. with intermeshing teeth
B01F27/40 (Mixers with rotor-rotor system) appears on 73 US grants and 88 published applications in this corpus.
Search patents in B01F- Granted patents
- 73
- Published applications
- 88
- Assignees
- 62
- Inventors
- 159
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 4 |
| 2005 | 4 | 1 |
| 2006 | 4 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 5 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 4 | 3 |
| 2013 | 2 | 8 |
| 2014 | 3 | 3 |
| 2015 | 1 | 11 |
| 2016 | 4 | 5 |
| 2017 | 8 | 7 |
| 2018 | 5 | 5 |
| 2019 | 8 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 1 |
| 2022 | 3 | 5 |
| 2023 | 4 | 0 |
| 2024 | 2 | 2 |
| 2025 | 4 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatuses and methods for producing nanoparticles from material in working liquid25 Nov 2025US 12,479,026 B2
- Apparatuses and methods for producing nanoparticles from material in working liquid19 Aug 2025US 12,390,856 B2
- Screw element having an axially asymmetrical screw profile which has at least two construction points located within the screw profile29 Jul 2025US 12,370,510 B2Covestro Intellectual Property GmbH & Co.KG
- Transparent water nanolipid fluid (DNLF) dispersions and method of preparation using a twin screw extruder8 Apr 2025US 12,268,780 B1
- Vacuum deaerator31 Dec 2024US 12,179,162 B2M. Technique Co., Ltd.
- Method for evaluating kneading state and kneader8 Oct 2026US 2026/0307026 A1Suzuka Engineering Co., Ltd.
- Mixing apparatus10 Sep 2026US 2026/0264030 A1SK On Co., Ltd.
- Internal mixer16 Apr 2026US 2026/0102750 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Apparatuses and methods for producing nanoparticles from material in working liquid13 Nov 2025US 2025/0345852 A1
- Highly transparent water continuous dense nanolipid fluid (dnlf) dispersions and method of preparation using a twin screw extruder3 Jul 2025US 2025/0213473 A1
Most cited
By later US patents
- Rotary mill87US 4,889,428 AConcrete Technology Corporation · 1989
- Device inter alia for uniformly distributing solid and/or liquid particles, and an assembly comprising such a device29US 4,883,363 A1989
- Food processing machine29US 4,955,724 AA. Stephan U. Soehne GmbH & Co. · 1990
- Mixing vessel with a fluid-agitating element supported by a roller bearing29US 7,762,716 B2LevTech, Inc. · 2010
- Food processing tool24US 9,681,778 B2Kabushiki Kaisha Kenwood · 2017