B01F 27/81
The stirrers having central axial inflow and substantially radial outflow
Official title: the stirrers having central axial inflow and substantially radial outflow
B01F27/81 (The stirrers having central axial inflow and substantially radial outflow) appears on 263 US grants and 264 published applications in this corpus.
Search patents in B01F- Granted patents
- 263
- Published applications
- 264
- Assignees
- 186
- Inventors
- 550
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 3 |
| 2002 | 9 | 5 |
| 2003 | 5 | 10 |
| 2004 | 4 | 16 |
| 2005 | 7 | 7 |
| 2006 | 7 | 12 |
| 2007 | 8 | 6 |
| 2008 | 5 | 10 |
| 2009 | 2 | 8 |
| 2010 | 3 | 13 |
| 2011 | 6 | 8 |
| 2012 | 13 | 11 |
| 2013 | 8 | 18 |
| 2014 | 8 | 11 |
| 2015 | 8 | 20 |
| 2016 | 15 | 13 |
| 2017 | 11 | 9 |
| 2018 | 9 | 14 |
| 2019 | 13 | 9 |
| 2020 | 7 | 7 |
| 2021 | 6 | 9 |
| 2022 | 8 | 18 |
| 2023 | 7 | 3 |
| 2024 | 8 | 9 |
| 2025 | 12 | 10 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wastewater purification apparatus and process for purifying wastewater28 Apr 2026US 12,612,320 B2Invent Umwelt-Und Verfahrenstechnik AG
- Device and method for gassing a liquid31 Mar 2026US 12,589,367 B2Cetotec GmbH
- Hydration systems and methods17 Mar 2026US 12,576,556 B2Schlumberger Technology Corporation
- Sinusoidal blade apparatus13 Jan 2026US 12,523,236 B2
- High-capacity polymer system and method of preparing polymeric mixtures4 Nov 2025US 12,458,934 B2UGSI Chemical Feed, Inc.
- Curing device for curing capsules30 Jul 2026US 2026/0216672 A1Microcaps AG
- Liquefaction enhancement device using fluid agitation, for installation in heat pump system piping line23 Jul 2026US 2026/0208132 A1Cpmh Sg Pte. Ltd.
- Viscosity control apparatus for electrode slurry and coating apparatus for electrode slurry using the same21 May 2026US 2026/0138102 A1Samsung SDI.Co., Ltd.
- Sinusoidal blade apparatus21 May 2026US 2026/0139683 A1
- Method for manufacturing an article at least partially made of cellulose fibers, and article at least partially made of cellulose fibers12 Mar 2026US 2026/0071389 A1Storopack Hans Reichenecker GmbH
Most cited
By later US patents
- Rotary device for treating molten metal131US 4,634,105 AFoseco International Limited · 1987
- Method for liquid mixing126US 4,018,598 AThe Steel Company of Canada, Limited · 1977
- Slurry mixer outlet106US 6,494,609 B1United States Gypsum Company · 2002
- Slurry mixer outlet93US 6,874,930 B2United States Gypsum Company · 2005
- Rotors and stators for mixers and emulsifiers81US 6,000,840 ACharles Ross & Son Company · 1999