B01D 21/26
Separation of sediment aided by centrifugal force or centripetal force
Official title: Separation of sediment aided by centrifugal force {or centripetal force}(centrifuges B04B; cyclones B04C)
B01D21/26 (Separation of sediment aided by centrifugal force or centripetal force) appears on 1,826 US grants and 1,798 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,826
- Published applications
- 1,798
- Assignees
- 1,167
- Inventors
- 3,526
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 11 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 27 | 0 |
| 1995 | 26 | 0 |
| 1996 | 44 | 0 |
| 1997 | 49 | 0 |
| 1998 | 52 | 0 |
| 1999 | 46 | 0 |
| 2000 | 41 | 0 |
| 2001 | 32 | 5 |
| 2002 | 23 | 29 |
| 2003 | 30 | 27 |
| 2004 | 19 | 29 |
| 2005 | 17 | 30 |
| 2006 | 24 | 38 |
| 2007 | 21 | 29 |
| 2008 | 21 | 34 |
| 2009 | 17 | 39 |
| 2010 | 22 | 37 |
| 2011 | 23 | 64 |
| 2012 | 34 | 65 |
| 2013 | 53 | 96 |
| 2014 | 52 | 84 |
| 2015 | 74 | 99 |
| 2016 | 82 | 92 |
| 2017 | 68 | 91 |
| 2018 | 98 | 123 |
| 2019 | 86 | 112 |
| 2020 | 107 | 129 |
| 2021 | 114 | 143 |
| 2022 | 100 | 114 |
| 2023 | 92 | 73 |
| 2024 | 82 | 84 |
| 2025 | 68 | 83 |
| 2026 | 37 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for processing a slurry29 Sep 2026US 12,747,645 B2Flowback Fluids LLC
- circCDK13-enriched engineered small extracellular vesicle (E-sEV), and preparation method and use thereof22 Sep 2026US 12,740,945 B2Chinese Pla General Hospital
- Apparatus and process for separating components of a multiphase hydrocarbon stream15 Sep 2026US 12,734,531 B2Omv Downstream GmbH
- Methods and systems for organic recovery in solvent extraction8 Sep 2026US 12,728,370 B2Freeport Minerals Corporation
- System and method for remediating soil8 Sep 2026US 12,728,452 B2Mad-Era, Inc.
- Method for producing dried solid, and dried solid8 Oct 2026US 2026/0308365 A1Yokogawa Electric Corporation
- Methods and systems for organic recovery in solvent extraction1 Oct 2026US 2026/0295474 A1Freeport Minerals Corporation
- Filter device for removing particles from a fluid1 Oct 2026US 2026/0295603 A1Mst Nl B.V.
- Method and system for controlling purification process through color value monitoring, and method for producing polyhydroxyalkanoate resin1 Oct 2026US 2026/0297244 A1Cj Cheiljedang Corporation
- Plasma separation apparatus and plasma separation method24 Sep 2026US 2026/0284556 A1Canon Medical Systems Corporation
Most cited
By later US patents
- Apparatus and method for separating particles from a cyclonic fluid flow270US 6,251,296 B1G. B. D. Corp. · 2001
- Enhanced yield platelet collection systems and methods216US 5,370,802 ABaxter International Inc. · 1994
- Centrifugation pheresis system202US 4,834,890 ABaxter International Inc. · 1989
- Time based interface detection systems for blood processing apparatus186US 5,316,667 ABaxter International Inc. · 1994
- Systems and methods for particle focusing in microchannels185US 8,186,913 B2The General Hospital Corporation · 2012