B01F 27/91
With propellers
Official title: with propellers
B01F27/91 (With propellers) appears on 315 US grants and 376 published applications in this corpus.
Search patents in B01F- Granted patents
- 315
- Published applications
- 376
- Assignees
- 246
- Inventors
- 766
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 7 |
| 2004 | 1 | 9 |
| 2005 | 7 | 9 |
| 2006 | 3 | 8 |
| 2007 | 2 | 7 |
| 2008 | 5 | 4 |
| 2009 | 2 | 4 |
| 2010 | 3 | 11 |
| 2011 | 3 | 15 |
| 2012 | 9 | 9 |
| 2013 | 7 | 20 |
| 2014 | 10 | 13 |
| 2015 | 11 | 21 |
| 2016 | 17 | 23 |
| 2017 | 19 | 28 |
| 2018 | 22 | 19 |
| 2019 | 25 | 21 |
| 2020 | 14 | 26 |
| 2021 | 16 | 24 |
| 2022 | 20 | 22 |
| 2023 | 16 | 19 |
| 2024 | 18 | 23 |
| 2025 | 11 | 16 |
| 2026 | 8 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Foldable agitator21 Jul 2026US 12,685,978 B2Autobiography Co., Ltd.
- Jet propulsion dry powder dissolution unit that uses a submersible actuator14 Jul 2026US 12,678,744 B2
- Oligomeriser with an improved feed system2 Jun 2026US 12,643,080 B2Sabic Global Technologies B.V.
- Bioreactors28 Apr 2026US 12,612,587 B2
- Shaft support for supporting an agitator shaft and an agitator10 Mar 2026US 12,569,818 B2Alfa Laval Corporate AB
- Bioreactors10 Sep 2026US 2026/0265659 A1
- Bioreactors10 Sep 2026US 2026/0265660 A1
- Automatic system and method for generating emulsified media and evaluating oily films on aqueous surfaces by spectral imaging30 Jul 2026US 2026/0219292 A1Petroleo Brasileiro S.A. - Petrobras
- Metered dose topical applicator23 Jul 2026US 2026/0207906 A1Team Technologies, Inc.
- Methods and systems for co-feeding plastic waste-oil blends into a refinery reactor23 Jul 2026US 2026/0208128 A1Braskem S/A
Most cited
By later US patents
- Stirred-tank reactor system167US 7,384,783 B2Baxter Healthcare S. A. · 2008
- Gas spargers and related container systems87US 8,603,805 B2HyClone Laboratories, Inc. · 2013
- Pressure switch-controlled blender cup apparatus86US 5,639,161 A1997
- Systems for mixing liquid solutions and methods of manufacture76US 6,908,223 B2Hynetics LLC · 2005
- Scalable impeller apparatus for preparing silver halide grains72US 6,422,736 B1Eastman Kodak Company · 2002