B03B 5/32
Using centrifugal force
Official title: using centrifugal force
B03B5/32 (Using centrifugal force) appears on 186 US grants and 153 published applications in this corpus.
Search patents in B03B- Granted patents
- 186
- Published applications
- 153
- Assignees
- 142
- Inventors
- 388
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 5 | 3 |
| 2004 | 0 | 4 |
| 2005 | 2 | 2 |
| 2006 | 6 | 6 |
| 2007 | 1 | 1 |
| 2008 | 3 | 5 |
| 2009 | 1 | 7 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 3 | 0 |
| 2016 | 4 | 6 |
| 2017 | 8 | 12 |
| 2018 | 6 | 9 |
| 2019 | 8 | 17 |
| 2020 | 2 | 9 |
| 2021 | 15 | 11 |
| 2022 | 10 | 13 |
| 2023 | 4 | 9 |
| 2024 | 12 | 11 |
| 2025 | 14 | 5 |
| 2026 | 2 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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 device for carbonation9 Dec 2025US 12,492,145 B2HSustainability GmbH
- Process and apparatus for recovering rare earth elements from coal refuse25 Nov 2025US 12,480,182 B2
- Slurry processing apparatus, microbubble generation equipment, and slurry processing method11 Nov 2025US 12,465,899 B2Sumitomo Metal Mining Co., Ltd.
- Centrifugal separator having an improved flow and system comprising such a centrifugal separator24 Sep 2026US 2026/0284674 A1FLSmidth A/S
- System and Method for Reclaiming and Cleaning Sand20 Aug 2026US 2026/0241389 A1McLanahan Corporation
- Method for the separation and recovery of plastics and contaminants through multi-stage separation process13 Aug 2026US 2026/0233268 A1
- Separation of minerals by specific gravity9 Jul 2026US 2026/0192309 A1Good Earth IP Holdings, LLC
- System and method for recovering desired materials using a pan mill2 Jul 2026US 2026/0183773 A1
Most cited
By later US patents
- Recycling system100US 5,143,308 APlastic Recycling Alliance, LP · 1992
- Process for reducing sulfur emissions with calcium-containing sorbents75US 5,368,617 AGenesis Research Corporation · 1994
- Process for separation and recovery of waste carpet components71US 5,722,603 AAlliedSignal Inc. /DSM N.V. · 1998
- Process for recovery of corn coarse fiber (pericarp)70US 6,254,914 B1The Board of Trustees of the University of Illinois · 2001
- Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process60US 7,438,807 B2Suncor Energy Inc. · 2008