B01F 23/23342
The stirrer being of the centrifugal type
Official title: {the stirrer being of the centrifugal type, e.g. with a surrounding stator}
B01F23/23342 (The stirrer being of the centrifugal type) appears on 66 US grants and 24 published applications in this corpus.
Search patents in B01F- Granted patents
- 66
- Published applications
- 24
- Assignees
- 50
- Inventors
- 111
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 3 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for gassing a liquid31 Mar 2026US 12,589,367 B2Cetotec GmbH
- Device for the gasification, pumping and mixing of fluids12 Nov 2024US 12,138,604 B2
- Submersible aeration apparatus9 Apr 2024US 11,951,447 B1Tsurumi Manufacturing Co., Ltd.
- Device for generating gas bubbles in suspensions for the enrichment of mineral and non-mineral raw materials and use of such a device8 Nov 2022US 11,491,449 B2TAKRAF GmbH
- Oxygen clathrate hydrate and oxygen solution containing the same9 Feb 2021US 10,913,037 B2MediScience Espoir Inc.
- Bubble generating apparatus and fermentation tank including same11 Sep 2025US 2025/0281890 A1Cj Cheiljedang Corporation
- Submersible Aeration Apparatus21 Mar 2024US 2024/0091720 A1Tsurumi Manufacturing Co., Ltd.
- Device and method for gassing a liquid24 Aug 2023US 2023/0264153 A1Cetotec GmbH
- Impeller, a diffuser and an arrangement using such impeller and diffuser in a flotation tank3 Nov 2022US 2022/0347635 A1Metso Outotec Finland Oy
- Device for the gasification, pumping and mixing of fluids18 Aug 2022US 2022/0258111 A1
Most cited
By later US patents
- Apparatus for mixing a liquid phase and a gaseous phase92US 4,051,204 A1977
- Centrifugal pump43US 4,086,306 A1978
- Temperature adjusted water aerator and circulation system43US 5,996,977 A1999
- Method for effecting gas-liquid contact41US 5,585,005 AApollo Environmental Systems Corp. · 1996
- Apparatus for generating finely divided particulate bubbles33US 4,193,949 A1980