B03B 5/60
Washing granular, powdered or lumpy materials: by non-mechanical classifiers
Official title: by non-mechanical classifiers, e.g. slime tanks (hydraulic classifiers B03B5/62; water impulse classifiers B03B5/68)
B03B5/60 (Washing granular, powdered or lumpy materials: by non-mechanical classifiers) appears on 34 US grants and 15 published applications in this corpus.
Search patents in B03B- Granted patents
- 34
- Published applications
- 15
- Assignees
- 22
- Inventors
- 70
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 4 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for recycling plastics7 Jul 2026US 12,673,331 B2
- Methods and systems for reducing turbidity of hydraulic fracturing sands15 Oct 2024US 12,115,535 B1Propflow, LLC
- Method of separating grains of valuable minerals, precious metals, rare-earth metals, precious and semi-precious stones from natural ores in the aquatic environment by means of the phenomenon of adhesion11 Apr 2023US 11,623,225 B2
- Device for separating materials2 Aug 2022US 11,400,459 B2Siemens Medical Solutions USA, Inc.
- Golf bunker filtration device and related methods19 Jul 2022US 11,389,807 B2Capillary Concrete, LLC
- Methods and Systems for Reducing Turbidity of Hydraulic Fracturing Sands28 Aug 2025US 2025/0269386 A1Propflow, LLC
- System and method for recycling plastics20 Jun 2024US 2024/0198356 A1
- Coarse coal slime classifying system and method13 Jul 2023US 2023/0219100 A1Shaanxi Zhengtong Coal Industry Co., Ltd.
- Method of separating grains of valuable minerals, precious metals, rare-earth metals, precious and semi-precious stones from natural ores in the aquatic environment by means of the phenomenon of adhesion.25 Aug 2022US 2022/0266260 A1
- Golf bunker filtration device and related methods22 Jul 2021US 2021/0220837 A1Capillary Concrete, LLC
Most cited
By later US patents
- Method and apparatus for decontaminating liquid suspensions10US 6,139,684 ASEP Technologies, Inc. · 2000
- Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor9US 6,138,833 AJipangu Inc. · 2000
- Method and means for sand reblending8US 6,311,847 B1HGH Associates Ltd. · 2001
- Method for removing contaminates from aqueous paper pulp7US 5,733,413 ASoutheast Paper Manufacturing Company · 1998
- Decontamination apparatus7US 6,238,523 B1SEP Technologies, Inc. · 2001