B03B 5/46
Using dry heavy media
Official title: using dry heavy media; Devices therefor
B03B5/46 (Using dry heavy media) appears on 17 US grants and 3 published applications in this corpus.
Search patents in B03B- Granted patents
- 17
- Published applications
- 3
- Assignees
- 13
- Inventors
- 39
- Latest grant
- 23 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 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 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dry method heavy medium separator adopting dry method heavy medium separation bed and separation device23 Apr 2019US 10,265,702 B2Tangshan Shenzhou Manufacturing Co., Ltd.
- Application of complex-mode vibration-fluidized beds to the separation of granular materials of different density21 Jun 2005US 6,907,996 B1
- Ammonia removal from fly ash in an acoustically enhanced fluidized bed23 Jul 2002US 6,422,392 B1
- Fly ash processing using inclined fluidized bed and sound wave agitation7 Dec 1999US 5,996,808 A
- Dry fluidized bed sorting device11 Jun 1996US 5,524,767 ASenko Kogyo Co., Ltd.
- Intelligent control method for dry dense medium fluidized bed separator18 Aug 2022US 2022/0258176 A1China University of Mining and Technology
- Dry method heavy medium separator adopting dry method heavy medium separation bed and separation device13 Apr 2017US 2017/0100722 A1Tangshan Shenzhou Manufacturing Co., Ltd.
- Dry separation method and a separation apparatus1 Jan 2004US 2004/0000235 A1Okayama University
Most cited
By later US patents
- Nonferrous material sorting apparatus37US 5,462,172 ASenko Kogyo Co., Ltd. · 1995
- Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improved material fluidized bed sorting23US 5,244,099 ACamas International, Inc. · 1993
- Separation of pyrite from coal in a fluidized bed20US 5,197,398 AElectric Power Research Institute, Inc. · 1993
- Fly ash processing using inclined fluidized bed and sound wave agitation16US 5,996,808 A1999
- Ammonia removal from fly ash in an acoustically enhanced fluidized bed15US 6,422,392 B12002