B07B 7/02
Selective separation of solid materials carried by, or dispersed in, gas currents
Official title: by reversal of direction of flow
B07B7/02 (Selective separation of solid materials carried by, or dispersed in, gas currents) appears on 42 US grants and 25 published applications in this corpus.
Search patents in B07B- Granted patents
- 42
- Published applications
- 25
- Assignees
- 38
- Inventors
- 91
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 4 |
| 2019 | 4 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Librixer comminutor and particle air classifier system31 Dec 2024US 12,179,210 B2Libriixer AB
- Vibratory feeding device for compact dedusting apparatus22 Oct 2024US 12,122,605 B2
- Air separation system22 Aug 2023US 11,731,168 B2Bollegraaf Patents and Brands B.V.
- System, method and apparatus for controlling the flow distribution of solid particles26 Apr 2022US 11,311,887 B2General Electric Technology GmbH
- Half round cylindrical configuration for dedusting apparatus12 May 2020US 10,646,902 B2Pelletron Coeporation
- Method and device for removing impurities in granules19 Oct 2023US 2023/0330717 A1Lvfen Environmental Protection Tech. Co., Ltd.
- Vibratory feeding device for compact dedusting apparatus15 Jun 2023US 2023/0183010 A1Pelletron Corporation
- Air separation system17 Nov 2022US 2022/0362808 A1Bollegraaf Patents and Brands B.V.
- Librixer Comminutor and Particle Air Classifier System14 Jul 2022US 2022/0219174 A1Libriixer AB
- Air classifier with a cyclone-like effect for waste management applications2 Apr 2020US 2020/0101495 A1
Most cited
By later US patents
- Cyclonic vacuum generator apparatus and method76US 6,171,356 B22001
- Apparatus for crushing material containing particles that are hard to pulverize34US 3,951,347 APolysius AG · 1976
- Method and apparatus for reducing and classifying mineral crystalline and brittle noncrystalline material33US 4,418,871 AP.V. Machining, Inc. · 1983
- Particulate size classification apparatus and method33US 8,118,170 B2Fujitsu Limited · 2012
- Method of collecting dust during rock drilling and a dust collecting suction system for a rock drilling apparatus30US 4,223,748 AAtlas Copco Aktiebolag · 1980