B03D 1/023
Carrier flotation
Official title: {Carrier flotation; Flotation of a carrier material to which the target material attaches}
B03D1/023 (Carrier flotation) appears on 48 US grants and 61 published applications in this corpus.
Search patents in B03D- Granted patents
- 48
- Published applications
- 61
- Assignees
- 26
- Inventors
- 97
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 9 |
| 2015 | 1 | 7 |
| 2016 | 4 | 1 |
| 2017 | 2 | 2 |
| 2018 | 4 | 4 |
| 2019 | 5 | 8 |
| 2020 | 4 | 9 |
| 2021 | 7 | 4 |
| 2022 | 8 | 6 |
| 2023 | 4 | 5 |
| 2024 | 3 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for flotation separation in a magnetically controllable and steerable medium5 May 2026US 12,618,010 B2Cidra Corporate Services Inc.
- Collector composition and methods of using thereof16 Sep 2025US 12,415,190 B2Kraton Corporation
- Method and system for buoyant-particle-assisted cell therapy14 Jan 2025US 12,196,754 B2Akadeum Life Sciences, Inc.
- Utilizing engineered media for recovery of minerals in tailings stream at the end of a flotation separation process11 Jun 2024US 12,005,460 B2Cidra Corporate Services Inc.
- Combination of carrier-magnetic-separation and a further separation for mineral processing4 Jun 2024US 11,998,929 B2BASF SE
- Solid-solid separation of carbon from a hardly soluble alkaline earth sulfate2 Apr 2026US 2026/0094889 A1BASF SE
- Method and system for buoyant-particle-assisted cell therapy20 Mar 2025US 2025/0093353 A1Akadeum Life Sciences, Inc.
- A Method Of Separation20 Jun 2024US 2024/0199445 A1
- Method and system for buoyant-particle-assisted cell therapy5 Oct 2023US 2023/0314428 A1Akadeum Life Sciences, Inc.
- Polymer coating for selective separation of hydrophobic particles in aqueous slurry7 Sep 2023US 2023/0278044 A1Cidra Corporate Services Inc.
Most cited
By later US patents
- Mineral separation using functionalized filters and membranes13US 9,302,270 B2Cidra Corporate Services Inc. · 2016
- Selective reactive oily bubble carriers in flotation processes and methods of generation and uses thereof10US 6,959,815 B2The Governors of the University of Alberta · 2005
- Magnetic beneficiation of clays utilizing magnetic seeding and flotation5US 4,343,694 AAnglo-American Clays Corporation · 1982
- Carrier particle for the froth flotation of fine ores5US 4,523,991 AThe Dow Chemical Company · 1985
- Charged engineered polymer beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interest for flotation separation5US 9,839,919 B2Cidra Corporate Services Inc. · 2017