F24F 8/183
By centrifugal separation
Official title: by centrifugal separation, e.g. using vortices
F24F8/183 (By centrifugal separation) appears on 28 US grants and 28 published applications in this corpus.
Search patents in F24F- Granted patents
- 28
- Published applications
- 28
- Assignees
- 26
- Inventors
- 55
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 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 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 7 |
| 2022 | 5 | 3 |
| 2023 | 3 | 4 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air conditioning and filtration system29 Sep 2026US 12,746,502 B2Work Air Technologies Pty Ltd
- Dynamic particle separation for use in HVAC systems29 Jul 2025US 12,370,480 B2Kbc Air Designs LLC
- Electrospray vortical flow exchanger9 Apr 2024US 11,951,439 B2Auburn University
- Air flow vessel and spray ring air purification device7 Feb 2023US 11,573,018 B2King Fahd University of Petroleum and Minerals
- Method using spray ring in an enclosed air flow for purification10 Jan 2023US 11,549,705 B2King Fahd University of Petroleum and Minerals
- Wet air filtration device12 Jun 2025US 2025/0189150 A1
- Air flow-based cooling device17 Apr 2025US 2025/0123020 A1Alls-Well Co., Ltd.
- Air conditioning system for purifying air in buildings23 Jan 2025US 2025/0027666 A1Virobuster International GmbH
- Air Conditioning and Filtration System9 Nov 2023US 2023/0356137 A1Work Air Technologies Pty Ltd
- Fresh air inlet with vortex debris collection12 Oct 2023US 2023/0324075 A1Broan-NuTone LLC
Most cited
By later US patents
- Air intake and blowing device60US 6,551,185 B1Daikin Industries, Ltd. · 2003
- Method and apparatus for transferring heat, mass, and momentum between a fluid and a surface26US 5,548,907 AEnergy Innovations, Inc. · 1996
- Process and device for confining, retaining and sucking off fumes, dust or the like23US 6,336,451 B12002
- Furniture having air control functions17US 5,904,755 ATornex, Inc. · 1999
- Method and apparatus for producing multivortex fluid flow14US 5,456,596 AEnergy Innovations, Inc. · 1995