B01F 23/23315
Through a hollow guide surrounding the stirrer element
Official title: {through a hollow guide surrounding the stirrer element}
B01F23/23315 (Through a hollow guide surrounding the stirrer element) appears on 7 US grants and 3 published applications in this corpus.
Search patents in B01F- Granted patents
- 7
- Published applications
- 3
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 19 Mar 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Equipment for injecting a gas into a cesspool19 Mar 2019US 10,233,101 B2L'Air Liquide, Société Anonyme pour l'Etude et l'Exploration des Procédés Georges Claude
- Equipment for injecting a gas into a cesspool15 Aug 2017US 9,731,988 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Gas-liquid venturi mixer20 Jul 1999US 5,925,290 ARhone-Poulenc Inc.
- Device for submerged culture of tissue cells3 Sep 1991US 5,045,470 AStawag
- Water aerating system20 Mar 1990US 4,909,936 AAeras Water Resources, Inc.
- Equipment for injecting a gas into a cesspool26 Oct 2017US 2017/0305771 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Equipment for injecting a gas into a cesspool3 Mar 2016US 2016/0060150 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Solar-powered downdraft aerator15 Feb 2007US 2007/0035046 A1
Most cited
By later US patents
- Gas-liquid venturi mixer49US 5,925,290 ARhone-Poulenc Inc. · 1999
- Mixing systems having agitators for mixing gas with liquid16US 4,454,078 AGeneral Signal Corporation · 1984
- Mixing apparatus13US 4,207,275 AGeneral Signal Corporation · 1980
- Water aerating system7US 4,909,936 AAeras Water Resources, Inc. · 1990
- Device for submerged culture of tissue cells5US 5,045,470 AStawag · 1991