B01F 33/40511
With a central conduit or a central set of conduits
Official title: {with a central conduit or a central set of conduits}
B01F33/40511 (With a central conduit or a central set of conduits) appears on 31 US grants and 3 published applications in this corpus.
Search patents in B01F- Granted patents
- 31
- Published applications
- 3
- Assignees
- 15
- Inventors
- 46
- Latest grant
- 25 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Submersible aerator and mixing apparatus25 Aug 2020US 10,752,530 B1
- Test set for a photometric measuring device and photometric measuring method for a sample liquid9 Dec 2014US 8,906,310 B2
- Waste water treatment apparatus and methods1 Apr 2014US 8,685,237 B2Rensselaer Polytechnic Institute
- Methods and apparatus for handling or treating particulate material24 Nov 2009US 7,621,668 B2Rensselaer Polytechnic Institute
- Recirculation bubbler for glass melter apparatus5 Jun 2007US 7,225,643 B1The United States of America as represented by the United States Department of Energy
- Test set for a photometric measuring device and photometric measuring method for a sample liquid23 Aug 2012US 2012/0214251 A1
- Waste water treatment apparatus and methods4 Mar 2010US 2010/0051560 A1Rensselaer Polytechnic Institute
- Methods and apparatus for handling or treating particulate material5 Jun 2008US 2008/0130399 A1Rensselaer Polytechnic Institute
Most cited
By later US patents
- Liquid circulating device26US 4,293,506 AAtara Corporation · 1981
- Circulating device for liquids containing long-chain molecules25US 4,356,131 AAtara Corporation · 1982
- Pneumatic conveying and material blending apparatus and method24US 4,569,596 AFuller Company · 1986
- Large bubble flow generator-interface for liquid circulating device22US 4,569,804 AAtara Corporation · 1986
- Circulation of gas/liquid mixtures20US 4,183,787 AImperial Chemical Industries PLC · 1980