B03D 1/08
Subsequent treatment of concentrated product
Official title: Subsequent treatment of concentrated product (froth dispersion B01D19/02)
B03D1/08 (Subsequent treatment of concentrated product) appears on 247 US grants and 196 published applications in this corpus.
Search patents in B03D- Granted patents
- 247
- Published applications
- 196
- Assignees
- 212
- Inventors
- 552
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 7 |
| 2005 | 4 | 5 |
| 2006 | 1 | 2 |
| 2007 | 2 | 6 |
| 2008 | 4 | 7 |
| 2009 | 1 | 3 |
| 2010 | 5 | 4 |
| 2011 | 4 | 6 |
| 2012 | 5 | 7 |
| 2013 | 6 | 10 |
| 2014 | 6 | 4 |
| 2015 | 7 | 8 |
| 2016 | 5 | 7 |
| 2017 | 5 | 3 |
| 2018 | 4 | 9 |
| 2019 | 6 | 8 |
| 2020 | 11 | 15 |
| 2021 | 12 | 22 |
| 2022 | 11 | 21 |
| 2023 | 10 | 14 |
| 2024 | 12 | 10 |
| 2025 | 6 | 9 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for separating valuable minerals from ore22 Sep 2026US 12,741,286 B2Kaakkois-Suomen Ammattikorkeakoulu Oy
- Method for process water treatment14 Jul 2026US 12,679,754 B2Metso Finland Oy
- Ore dressing process for medium-grade and low-grade mixed collophanite19 May 2026US 12,629,697 B2Institute of Multipurpose Utilization of Mineral Resources, CAGS
- Method for lithium extraction by leaching from spodumene and desulfurization19 May 2026US 12,630,901 B1Institute of Process Engineering, Chinese Academy of Sciences
- Method and system for flotation separation in a magnetically controllable and steerable medium5 May 2026US 12,618,010 B2Cidra Corporate Services Inc.
- Process for the recovery of a useful material from a battery30 Jul 2026US 2026/0217534 A1Materials Processing Institute
- Flotation method for recovery of copper oxide ore with full-size fractions16 Jul 2026US 2026/0199908 A1Kunming University of Science and Technology
- Methods and compositions for treating partitioned flows12 Feb 2026US 2026/0042102 A1Eoolab USA Inc.
- Global process for obtaining lithium sulfate monohydrate ore with low contents of impurities associated with chlorine and magnesium29 Jan 2026US 2026/0028696 A1Sociedad Quimica Y Minera De Chile S.A.
- Method, apparatus and system for removal of pfas from an aqueous source and production of concentrated pfas product15 Jan 2026US 2026/0015258 A1
Most cited
By later US patents
- Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles82US 4,981,582 AVirginia Tech Intellectual Properties, Inc. · 1991
- Process for increasing the bitumen content of oil sands froth72US 5,223,148 AOslo Alberta Limited · 1993
- Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand68US 4,545,892 AAlberta Energy Company Ltd. · 1985
- Air-sparged hydrocyclone separator58US 4,997,549 AAdvanced Processing Technologies, Inc. · 1991
- Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles57US 5,167,798 AVirginia Tech Intellectual Properties, Inc. · 1992