B01F 27/113
Propeller-shaped stirrers for producing an axial flow
Official title: Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
B01F27/113 (Propeller-shaped stirrers for producing an axial flow) appears on 368 US grants and 339 published applications in this corpus.
Search patents in B01F- Granted patents
- 368
- Published applications
- 339
- Assignees
- 238
- Inventors
- 759
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 14 | 0 |
| 2001 | 4 | 2 |
| 2002 | 8 | 5 |
| 2003 | 5 | 5 |
| 2004 | 6 | 13 |
| 2005 | 6 | 10 |
| 2006 | 5 | 11 |
| 2007 | 6 | 11 |
| 2008 | 9 | 10 |
| 2009 | 4 | 8 |
| 2010 | 8 | 10 |
| 2011 | 7 | 5 |
| 2012 | 9 | 13 |
| 2013 | 4 | 11 |
| 2014 | 6 | 8 |
| 2015 | 17 | 22 |
| 2016 | 11 | 15 |
| 2017 | 17 | 26 |
| 2018 | 13 | 26 |
| 2019 | 23 | 22 |
| 2020 | 15 | 12 |
| 2021 | 12 | 23 |
| 2022 | 13 | 13 |
| 2023 | 14 | 13 |
| 2024 | 8 | 19 |
| 2025 | 17 | 13 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultra-dispersion mixer29 Sep 2026US 12,746,521 B2SK On Co., Ltd.
- Single use bioreactor18 Aug 2026US 12,709,725 B2Lonza Ltd.
- Foldable agitator21 Jul 2026US 12,685,978 B2Autobiography Co., Ltd.
- Oligomeriser with an improved feed system2 Jun 2026US 12,643,080 B2Sabic Global Technologies B.V.
- Method for controlling mixer and method for producing carrier26 May 2026US 12,636,627 B2FUJIFILM Business Innovation Corp.
- Magnetic stirring apparatus for precise fluid management and fluid dynamics control27 Aug 2026US 2026/0249260 A1Flxr Engineering Co., Ltd.
- Combined impeller stirring device and application thereof9 Jul 2026US 2026/0192265 A1Institute of Process Engineering, Chinese Academy of Sciences
- Powder mixer11 Jun 2026US 2026/0158455 A1Woowon Co., Ltd.
- Containers, methods of preparing a container, and methods of mixing a liquid slurry in the container11 Jun 2026US 2026/0158458 A1Entegris, Inc.
- Laundry machine12 Mar 2026US 2026/0071372 A1LG Electronics Inc.
Most cited
By later US patents
- Integrated ceramic micro-chemical plant201US 5,993,750 AEastman Kodak Company · 1999
- Mixing systems and related mixers136US 7,682,067 B2Baxter Healthcare S. A. · 2010
- Apparatus for immersing solids into fluids and moving fluids in a linear direction131US 4,930,986 AThe Carborundum Company · 1990
- Gas spargers and related container systems87US 8,603,805 B2HyClone Laboratories, Inc. · 2013
- Mixing apparatus74US 4,722,608 AGeneral Signal Corporation · 1988