B07B 7/12
Selective separation of solid materials carried by, or dispersed in, gas currents
Official title: with pulsating air currents
B07B7/12 (Selective separation of solid materials carried by, or dispersed in, gas currents) appears on 4 US grants and 2 published applications in this corpus.
Search patents in B07B- Granted patents
- 4
- Published applications
- 2
- Assignees
- 4
- Inventors
- 15
- Latest grant
- 3 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Coupled system and method for the separation and drying of moist fine particle coal3 Nov 2020US 10,821,477 B2China University of Mining and Technology
- Separation of fine granular materials19 May 2009US 7,533,775 B2The University of Nottingham
- Method and apparatus for sorting solids by airstream18 Aug 1998US 5,794,786 AAgency of Industrial Science and Technology
- Multi-stage means for sorting mixtures of solid materials4 Sep 1990US 4,953,709 AKaufmann GmbH
Most cited
By later US patents