B01F 23/234211
Stirrers thereof
Official title: {Stirrers thereof}
B01F23/234211 (Stirrers thereof) appears on 40 US grants and 25 published applications in this corpus.
Search patents in B01F- Granted patents
- 40
- Published applications
- 25
- Assignees
- 30
- Inventors
- 70
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 6 |
| 2005 | 3 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for optimizing the energy consumption of an aerator in the field of water treatment23 Dec 2025US 12,503,381 B2L'Air Liquide Societe Anonyme Pour L'Etude Et L' Exploitation Des Procedes George Claude
- Cooling water stirrer and water purifier having the same29 Nov 2022US 11,511,218 B2LG Electronics Inc.
- Flow straightening vane for aerator7 Jun 2022US 11,352,276 B2Aqua-Aerobic Systems, Inc.
- Rotary compression mixer21 Sep 2021US 11,123,697 B2
- Reactor for gas-liquid mass transfer15 Dec 2020US 10,865,459 B2Outotec (Finland) Oy
- Flow straightening vane for aerator4 Nov 2021US 2021/0340040 A1Aqua-Aerobic Systems, Inc.
- Method for optimizing the energy consumption of an aerator in the field of water treatment14 Oct 2021US 2021/0317021 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Reactor for gas-liquid mass transfer22 Oct 2020US 2020/0332389 A1Outotec (Finland) Oy
- Rotary Compression Mixer20 Aug 2020US 2020/0261863 A1
- Mixing/aerating apparatus with an impeller28 Nov 2019US 2019/0358595 A1Aquasystems International N.V.
Most cited
By later US patents
- Aeration apparatus and method26US 7,114,844 B2SPX Corporation · 2006
- Mixing impellers especially adapted for use in surface aeration24US 5,988,604 AGeneral Signal Corporation · 1999
- Surface aeration impellers24US 6,877,959 B2Mixing and Mass Transfer Technologies, LLC · 2005
- Aerator with float chamber and turnable inlet21US 6,190,544 B1Flucon Pumps Limited · 2001
- Apparatus and method for mixing and introducing gas into a large body of liquid15US 5,681,509 ABiomixer Corporation · 1997