B01F 27/15
Stirrers with tubes for guiding the material
B01F27/15 (Stirrers with tubes for guiding the material) appears on 65 US grants and 22 published applications in this corpus.
Search patents in B01F- Granted patents
- 65
- Published applications
- 22
- Assignees
- 56
- Inventors
- 113
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of operating a crystallizing vessel assembly, as well as a crystallizing vessel assembly12 Sep 2023US 11,752,449 B2Iv-Consult B.V.
- Hydrocarbon wave reformer and methods of use11 Jan 2022US 11,220,428 B2New Wave Hydrogen, Inc.
- Mixing impeller having channel-shaped vanes18 Aug 2015US 9,108,170 B2
- Mixer with a catalytic surface15 Feb 2011US 7,887,764 B2
- Device for mixing a flowable or pourable medium, especially a highly viscous medium26 Jul 2005US 6,921,194 B2INOTEC GmbH Transport-und Fordersysteme
- Electrode slurry storage device11 Jun 2026US 2026/0158456 A1Samsung SDI.Co., Ltd.
- Mixing chamber system23 Apr 2026US 2026/0108855 A1Xim Limited
- Agitation structures and agitation methods9 Apr 2026US 2026/0097983 A1Caihong Display Devices Co., Ltd.
- Liquid dispersing device and liquid dispersing apparatus using same13 Nov 2025US 2025/0345759 A1Bio-Energy Corporation
- Liquid sprinkling device and liquid sprinkling apparatus using same7 Nov 2024US 2024/0367121 A1Bio-Energy Corporation
Most cited
By later US patents
- Wetter for fine dry powder67US 4,021,021 A1977
- Way to oxidize sludge with high solid matter content46US 4,648,973 AOutokumpu Oy · 1987
- Floating mixer apparatus with foam dispersing spray41US 4,733,972 AAqua-Aerobic Systems, Inc. · 1988
- Polymerization reactor40US 5,417,930 AExxon Chemical Patents Inc. · 1995
- Floating aerator having means to vary the length of the draft pipe38US 4,030,859 ALake Aid Inc. · 1977