B01F 23/23316
Through a separate hollow guide substantially parallel with the stirrer element
Official title: {through a separate hollow guide substantially parallel with the stirrer element}
B01F23/23316 (Through a separate hollow guide substantially parallel with the stirrer element) appears on 6 US grants and 1 published applications in this corpus.
Search patents in B01F- Granted patents
- 6
- Published applications
- 1
- Assignees
- 5
- Inventors
- 4
- Latest grant
- 25 Nov 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Stirring arrangement25 Nov 2014US 8,894,047 B2Ekato Ruehr- und Mischtechnek GmbH
- Mixing system for introducing and dispersing gas into liquids12 Dec 2000US 6,158,722 AGeneral Signal Corporation
- Fermentor with vertical shaft27 May 1997US 5,633,165 AGenentech, Inc.
- Method of determining propensity of dissolved oxygen instability30 Jan 1996US 5,487,980 AGenentech, Inc.
- Method for producing polypeptide via bacterial fermentation30 Aug 1994US 5,342,763 AGenentech, Inc.
Most cited
By later US patents
- Mixing system for introducing and dispersing gas into liquids26US 6,158,722 AGeneral Signal Corporation · 2000
- Aerator apparatus21US 4,242,199 ARichards of Rockford · 1980
- Method for producing polypeptide via bacterial fermentation17US 5,342,763 AGenentech, Inc. · 1994
- Fermentor with vertical shaft13US 5,633,165 AGenentech, Inc. · 1997
- Method of determining propensity of dissolved oxygen instability3US 5,487,980 AGenentech, Inc. · 1996