B01F 23/23366
The gas being introduced in front of the stirrer
Official title: {the gas being introduced in front of the stirrer}
B01F23/23366 (The gas being introduced in front of the stirrer) appears on 22 US grants and 8 published applications in this corpus.
Search patents in B01F- Granted patents
- 22
- Published applications
- 8
- Assignees
- 10
- Inventors
- 42
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for treating fluids having improved aeration efficiency and operational durability7 Mar 2023US 11,596,907 B1
- Methods and systems for enhanced dissolved gas floatation7 Feb 2023US 11,571,638 B2Siemens Energy, Inc.
- 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
- Aeration device12 Feb 2019US 10,202,296 B2
- High-gravity rotating bed device having new structure and application thereof12 Dec 2017US 9,839,895 B2Beijing University of Chemical Technology
- Methods and systems for enhanced dissolved gas floatation25 Nov 2021US 2021/0362075 A1Siemens Energy, Inc.
- Device for generating gas bubbles in suspensions for the enrichment of mineral and non-mineral raw materials and use of such a device8 Jul 2021US 2021/0205769 A1TAKRAF GmbH
- High-gravity rotating bed device having new structure and application thereof3 Nov 2016US 2016/0317995 A1Beijing University of Chemical Technology
- Aeration device21 Jul 2016US 2016/0207805 A1
- Jet Array Aeration Apparatus14 May 2015US 2015/0130090 A1Solis Hight-tech Ind. (Shenzhen) Ltd.
Most cited
By later US patents
- Aeration propeller and apparatus41US 4,240,990 AAeration Industries, Inc. · 1980
- Method for treating water37US 4,280,911 AAeration Industries, Inc. · 1981
- Aspirating horizontal mixer33US 4,514,343 AAir-O-Lator Corporation · 1985
- Apparatus for mixing a gas and a liquid29US 4,308,221 AAeration Industries, Inc. · 1981
- Waste water aerator having rotating compression blades27US 4,844,843 A1989