B03D 1/1418
Using centrifugal forces
Official title: {using centrifugal forces}
B03D1/1418 (Using centrifugal forces) appears on 178 US grants and 94 published applications in this corpus.
Search patents in B03D- Granted patents
- 178
- Published applications
- 94
- Assignees
- 120
- Inventors
- 317
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 3 |
| 2002 | 5 | 0 |
| 2003 | 3 | 6 |
| 2004 | 6 | 10 |
| 2005 | 1 | 4 |
| 2006 | 4 | 3 |
| 2007 | 5 | 2 |
| 2008 | 1 | 2 |
| 2009 | 3 | 5 |
| 2010 | 2 | 5 |
| 2011 | 2 | 4 |
| 2012 | 4 | 4 |
| 2013 | 3 | 7 |
| 2014 | 3 | 1 |
| 2015 | 6 | 4 |
| 2016 | 4 | 3 |
| 2017 | 1 | 4 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 2 | 5 |
| 2021 | 7 | 5 |
| 2022 | 5 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 4 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Methods and compositions for pre-extractive beneficiation of ores16 Dec 2025US 12,497,671 B2Ecolab USA Inc.
- Enhanced autonomous hands-free control in electronic visual aids16 Sep 2025US 12,416,062 B2Eyedaptic, Inc.
- Aerated hydrocyclone apparatus and method for cyclonic froth separation18 Mar 2025US 12,251,718 B2
- Wide-size-fraction flotation system and process15 Oct 2024US 12,115,539 B2China University of Mining and Technology
- Method for separating low density particles from feed slurries14 May 2024US 11,981,584 B2Newcastle Innovation Limited
- Aerated hydrocyclone apparatus and method for cyclonic froth separation3 Jul 2025US 2025/0214092 A1
- Devices for vortex flotation mineralization based on confined space and methods for mineralization29 May 2025US 2025/0170586 A1China University of Mining and Technology
- Vortex mineralization-static separation flotation device and flotation method22 May 2025US 2025/0161957 A1China University of Mining and Technology
- Vertical Compact Flotation Unit with Air Stripping Enhanced Shallow Sedimentation Effect of Spiral Fins20 Feb 2025US 2025/0059069 A1Beijing Institute of Petrochemical Technology
- Increasing flotation recovery and throughput7 Nov 2024US 2024/0367180 A1
Most cited
By later US patents
- Air-sparged hydrocyclone and method141US 4,279,743 AUniversity of Utah · 1981
- Method and apparatus for treatment of wastewater employing membrane bioreactors92US 6,805,806 B2Hydrotreat, Inc. · 2004
- Air sparged hydrocyclone flotation apparatus and methods for separating particles from a particulate suspension80US 4,838,434 AUniversity of Utah · 1989
- Flotation apparatus and method77US 4,744,890 AUniversity of Utah · 1988
- Apparatus and method for separating particles from a fluid suspension74US 4,397,741 AUniversity of Utah · 1983