B03B
Separating solid materials using liquids or using pneumatic tables or jigs
B03B (Separating solid materials using liquids or using pneumatic tables or jigs) appears on 3,326 US grants and 1,770 published applications in this corpus.
Search patents in B03B- Granted patents
- 3,326
- Published applications
- 1,770
- Assignees
- 1,775
- Inventors
- 5,518
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 58 | 0 |
| 1978 | 64 | 0 |
| 1979 | 55 | 0 |
| 1980 | 64 | 0 |
| 1981 | 121 | 0 |
| 1982 | 80 | 0 |
| 1983 | 84 | 0 |
| 1984 | 81 | 0 |
| 1985 | 76 | 0 |
| 1986 | 64 | 0 |
| 1987 | 58 | 0 |
| 1988 | 70 | 0 |
| 1989 | 83 | 0 |
| 1990 | 56 | 0 |
| 1991 | 78 | 0 |
| 1992 | 88 | 0 |
| 1993 | 99 | 0 |
| 1994 | 119 | 0 |
| 1995 | 67 | 0 |
| 1996 | 77 | 0 |
| 1997 | 76 | 0 |
| 1998 | 78 | 0 |
| 1999 | 95 | 0 |
| 2000 | 70 | 0 |
| 2001 | 60 | 13 |
| 2002 | 43 | 36 |
| 2003 | 43 | 53 |
| 2004 | 43 | 64 |
| 2005 | 32 | 46 |
| 2006 | 35 | 57 |
| 2007 | 23 | 43 |
| 2008 | 35 | 61 |
| 2009 | 28 | 53 |
| 2010 | 42 | 68 |
| 2011 | 45 | 55 |
| 2012 | 40 | 50 |
| 2013 | 45 | 71 |
| 2014 | 65 | 72 |
| 2015 | 54 | 80 |
| 2016 | 66 | 85 |
| 2017 | 73 | 74 |
| 2018 | 67 | 72 |
| 2019 | 64 | 97 |
| 2020 | 61 | 90 |
| 2021 | 72 | 87 |
| 2022 | 85 | 114 |
| 2023 | 71 | 86 |
| 2024 | 92 | 103 |
| 2025 | 88 | 87 |
| 2026 | 39 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B03B 9/00General arrangement of separating plant1,952
- B03B 5/00Washing granular, powdered or lumpy materials1,337
- B03B 1/00Conditioning for facilitating separation by altering physical properties of the matter to356
- B03B 7/00Combinations of wet processes or apparatus with other processes or apparatus199
- B03B 11/00Feed or discharge devices integral with washing or wet-separating equipment195
- B03B 13/00Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using169
- B03B 4/00Separating by pneumatic tables or by pneumatic jigs167
Recent patents
- Centrifugal density separation of waste plastic6 Oct 2026US 12,752,283 B2Eastman Chemical Company
- System and method for processing a slurry29 Sep 2026US 12,747,645 B2Flowback Fluids LLC
- Method and apparatus for separating valuable minerals from ore22 Sep 2026US 12,741,286 B2Kaakkois-Suomen Ammattikorkeakoulu Oy
- Processing method for electronic/electric device component waste25 Aug 2026US 12,715,026 B2JX Advanced Metals Corporation
- Method for recycling iron ore tailing and use thereof25 Aug 2026US 12,716,113 B2Baotou Research Institute of Rare Earths
- Centrifugal separator having an improved flow and system comprising such a centrifugal separator24 Sep 2026US 2026/0284674 A1FLSmidth A/S
- Method of separating active material, jig, and apparatus for separating active material17 Sep 2026US 2026/0279942 A1Honda Motor Co., Ltd.
- System and Method for Reclaiming and Cleaning Sand20 Aug 2026US 2026/0241389 A1McLanahan Corporation
- System and method for processing a mixture of materials20 Aug 2026US 2026/0242147 A1General Kinematics Corporation
- Sustainable system for processing fine tailings from mining, low-hardness minerals and industrial, electronic and construction waste, and products obtained therefrom13 Aug 2026US 2026/0233235 A1Geoagro Consultoria Projectos E Servicios Ltda
Most cited
By later US patents
- Tar sands extraction process312US 5,985,138 AGeopetrol Equipment Ltd. · 1999
- Absorption-enhanced differential extraction device202US 5,971,158 AUniversity of Washington · 1999
- Manipulation of particles172US 4,743,361 AInternationale Octrooi Maatschappij "Octropa" B.V. · 1988
- Disposal and reclamation of drilling wastes139US 4,942,929 AAtlantic Richfield Company · 1990
- Method and apparatus for separating particles by size134US 7,108,137 B2Wisconsin Alumni Research Foundation · 2006