B04C 5/08
Vortex chamber constructions
B04C5/08 (Vortex chamber constructions) appears on 818 US grants and 609 published applications in this corpus.
Search patents in B04C- Granted patents
- 818
- Published applications
- 609
- Assignees
- 502
- Inventors
- 1,437
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 13 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 13 | 0 |
| 1987 | 14 | 0 |
| 1988 | 19 | 0 |
| 1989 | 14 | 0 |
| 1990 | 17 | 0 |
| 1991 | 22 | 0 |
| 1992 | 23 | 0 |
| 1993 | 16 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 17 | 7 |
| 2002 | 11 | 7 |
| 2003 | 15 | 11 |
| 2004 | 11 | 18 |
| 2005 | 13 | 17 |
| 2006 | 7 | 27 |
| 2007 | 9 | 22 |
| 2008 | 20 | 15 |
| 2009 | 17 | 30 |
| 2010 | 19 | 21 |
| 2011 | 26 | 14 |
| 2012 | 19 | 23 |
| 2013 | 16 | 23 |
| 2014 | 19 | 27 |
| 2015 | 21 | 25 |
| 2016 | 18 | 20 |
| 2017 | 24 | 36 |
| 2018 | 17 | 35 |
| 2019 | 31 | 38 |
| 2020 | 33 | 37 |
| 2021 | 44 | 34 |
| 2022 | 28 | 32 |
| 2023 | 30 | 25 |
| 2024 | 23 | 32 |
| 2025 | 17 | 16 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and process for separating components of a multiphase hydrocarbon stream15 Sep 2026US 12,734,531 B2Omv Downstream GmbH
- Gas-liquid separation device25 Aug 2026US 12,714,952 B2Hyundai Motor Company
- Centrifugal separator25 Aug 2026US 12,715,009 B2Syntegon Technology GmbH
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Liquid treatment unit and method14 Jul 2026US 12,678,805 B2Au Environmental Pty Ltd
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Hydrocyclone separator20 Aug 2026US 2026/0241394 A1Metso Sweden AB
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Vacuum cleaner6 Aug 2026US 2026/0224081 A1LG Electronics Inc.
- Method and system for treating fluid30 Jul 2026US 2026/0216738 A1Vortex Corporation
Most cited
By later US patents
- Shroud330US 5,078,761 ANotetry Limited · 1992
- Upright vacuum cleaner with cyclonic air flow295US 6,782,585 B1Fantom Technologies Inc. · 2004
- Apparatus and method for separating particles from a cyclonic fluid flow270US 6,251,296 B1G. B. D. Corp. · 2001
- Handheld cleaning appliance235US 8,156,609 B2Dyson Technology Limited · 2012
- Apparatus and method for separating particles from a cyclonic fluid flow utilizing a movable access member associated with a cyclonic separator234US 6,231,645 B1G. B. D. Corp. · 2001