B03D 1/082
Of the froth product
Official title: {of the froth product, e.g. washing}
B03D1/082 (Of the froth product) appears on 127 US grants and 87 published applications in this corpus.
Search patents in B03D- Granted patents
- 127
- Published applications
- 87
- Assignees
- 109
- Inventors
- 282
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 5 |
| 2008 | 1 | 5 |
| 2009 | 1 | 2 |
| 2010 | 3 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 5 |
| 2013 | 1 | 5 |
| 2014 | 2 | 2 |
| 2015 | 4 | 6 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 6 | 5 |
| 2021 | 4 | 12 |
| 2022 | 5 | 7 |
| 2023 | 5 | 6 |
| 2024 | 5 | 3 |
| 2025 | 5 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Method and arrangement for process water treatment17 Feb 2026US 12,551,903 B2Metso Finland Oy
- De-aerating froth products27 Jan 2026US 12,533,608 B2The University of Queensland
- System for establishing a digital interconnection between vessels for collection of micro-plastics in a secured way30 Sep 2025US 12,428,315 B2
- 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.
- The control of continuous water treatment14 Aug 2025US 2025/0256998 A1The Water & Carbon Group Pty, Ltd.
- Method for froth-controlled flotation of argillaceous lepidolite ore13 Feb 2025US 2025/0050354 A1Kunming University of Science and Technology
- System and method for separating competing anions from per- and polyfluoroalkyl substances (pfas) in a flow of water7 Nov 2024US 2024/0368003 A1Emerging Compounds Treatment Technologies, Inc.
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
- 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
- Apparatus for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles51US 5,397,001 AVirginia Polytechnic Institute & State U. · 1995