B01F 27/812
The stirrers co-operating with surrounding stators, or with intermeshing stators
Official title: {the stirrers co-operating with surrounding stators, or with intermeshing stators, e.g. comprising slits, orifices or screens}
B01F27/812 (The stirrers co-operating with surrounding stators, or with intermeshing stators) appears on 61 US grants and 58 published applications in this corpus.
Search patents in B01F- Granted patents
- 61
- Published applications
- 58
- Assignees
- 44
- Inventors
- 137
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 5 | 3 |
| 2012 | 4 | 2 |
| 2013 | 0 | 9 |
| 2014 | 3 | 5 |
| 2015 | 2 | 4 |
| 2016 | 7 | 0 |
| 2017 | 2 | 5 |
| 2018 | 2 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Mixing and dispersing apparatus15 Jul 2025US 12,357,954 B2Contemporary Amperex Technology (Hong Kong) Limited
- Impeller assembly for dispersing solid in liquid utilizing curved baffle plate and solid-liquid mixing device using impeller assembly27 May 2025US 12,311,325 B2Shangshui Smartech Ltd.
- Integrated process delivery at wellsite1 Oct 2024US 12,102,970 B2Schlumberger Technology Corporation
- System for agglomerate mixing having a rotor and angular slotted stator19 Mar 2024US 11,931,707 B1
- Mixing and dispersing apparatus21 Nov 2023US 11,819,812 B1Contemporary Amperex Technology Co., Limited
- Dispersing unit17 Apr 2025US 2025/0121339 A1NETZSCH-Feinmahltechnik GmbH
- Pulping Device17 Oct 2024US 2024/0341534 A1Shangshui Smartech Ltd.
- Mixing and dispersing apparatus1 Feb 2024US 2024/0033697 A1Contemporary Amperex Technology Co., Limited
- Mixing and dispersing apparatus14 Dec 2023US 2023/0398506 A1Contemporary Amperex Technology Co., Limited
- Impeller Assembly For Dispersing Solid In Liquid and Solid- Liquid Mixing Device Using Impeller Assembly1 Dec 2022US 2022/0379274 A1Shenzhen Shangshui Smart Equipment Co., LTD.
Most cited
By later US patents
- Rotors and stators for mixers and emulsifiers81US 6,000,840 ACharles Ross & Son Company · 1999
- Devices for cavitational mixing and pumping and methods of using same61US 6,857,774 B2Five Star Technologies, Inc. · 2005
- Processes for preparing precipitated calcium carbonate compositions and the products thereof44US 6,402,824 B1J. M. Huber Corporation · 2002
- Apparatus for mixing, grinding, dispersing or emulsifying38US 6,412,714 B12002
- Method of rapidly dissolving polymers in water27US 4,529,794 ADiatec Polymers · 1985