B03B 13/005
Methods or arrangements for controlling the physical properties of heavy media
Official title: {Methods or arrangements for controlling the physical properties of heavy media, e.g. density, concentration or viscosity}
B03B13/005 (Methods or arrangements for controlling the physical properties of heavy media) appears on 26 US grants and 8 published applications in this corpus.
Search patents in B03B- Granted patents
- 26
- Published applications
- 8
- Assignees
- 16
- Inventors
- 41
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process and apparatus for recovering rare earth elements from coal refuse25 Nov 2025US 12,480,182 B2
- Process and apparatus for separating various elements such as cesium from refuse1 Jul 2025US 12,343,735 B2
- Process and apparatus for separating anthracite or bituminous from refuse18 Jun 2024US 12,011,725 B1
- Nanoparticle separation methods and compositions15 Mar 2016US 9,283,570 B2Sicpa Holding SA
- Process for reducing sulfur emissions with calcium-containing sorbents29 Nov 1994US 5,368,617 AGenesis Research Corporation
- Process and apparatus for recovering rare earth elements from coal refuse28 Aug 2025US 2025/0270675 A1
- Process and apparatus for separating various elements such as cesium from refuse15 Aug 2024US 2024/0269690 A1
- System and Method for Enhanced Separation and Recovery of Heavy Metals and Rare Earth Elements from Electronic Waste, Mining Residues, and Sediments Using Electronic Charge, Magnetic Beads, and Bubble Mechanisms25 Jul 2024US 2024/0246089 A1Royal Biotech Inc
- Process and apparatus for separating anthracite or bituminous from refuse4 Jul 2024US 2024/0216925 A1
- Coarse coal slime classifying system and method13 Jul 2023US 2023/0219100 A1Shaanxi Zhengtong Coal Industry Co., Ltd.
Most cited
By later US patents
- Process for reducing sulfur emissions with calcium-containing sorbents75US 5,368,617 AGenesis Research Corporation · 1994
- Autogenous heavy medium process and apparatus for separating coal from refuse28US 4,364,822 A1982
- Process and apparatus for cleaning very fine ore27US 4,028,228 AHeyl & Patterson, Inc. · 1977
- Process for cleaning fine coal25US 4,282,088 ALinatex Corporation of America · 1981
- Methods and apparatus for transporting and processing solids19US 4,265,737 AOtisca Industries, Ltd. · 1981