B04C 5/24
Multiple arrangement thereof
Official title: Multiple arrangement thereof {(combination types according to other /00 groups, B04C7/00)}
B04C5/24 (Multiple arrangement thereof) appears on 613 US grants and 504 published applications in this corpus.
Search patents in B04C- Granted patents
- 613
- Published applications
- 504
- Assignees
- 300
- Inventors
- 889
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 11 | 0 |
| 1984 | 11 | 0 |
| 1985 | 3 | 0 |
| 1986 | 11 | 0 |
| 1987 | 13 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 3 |
| 2002 | 6 | 4 |
| 2003 | 8 | 11 |
| 2004 | 13 | 16 |
| 2005 | 10 | 15 |
| 2006 | 6 | 27 |
| 2007 | 10 | 24 |
| 2008 | 17 | 18 |
| 2009 | 19 | 26 |
| 2010 | 22 | 19 |
| 2011 | 20 | 11 |
| 2012 | 9 | 17 |
| 2013 | 11 | 11 |
| 2014 | 17 | 19 |
| 2015 | 15 | 18 |
| 2016 | 16 | 24 |
| 2017 | 16 | 23 |
| 2018 | 17 | 35 |
| 2019 | 28 | 34 |
| 2020 | 34 | 43 |
| 2021 | 35 | 24 |
| 2022 | 27 | 27 |
| 2023 | 21 | 18 |
| 2024 | 17 | 16 |
| 2025 | 11 | 6 |
| 2026 | 5 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Compact disc stack cyclone separator19 May 2026US 12,629,701 B2
- Multi-stage circulating separation equipment28 Apr 2026US 12,612,318 B2
- Air treatment apparatus24 Feb 2026US 12,558,697 B2Omachron Intellectual Property Inc.
- Hydro-cyclone system13 Jan 2026US 12,521,735 B2Voith Patent GmbH
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Air treatment apparatus1 Oct 2026US 2026/0295605 A1Omachron Intellectual Property Inc.
- Purification method for anhydrous aluminum chloride, and gas-phase nano-alumina preparation device and method therefor17 Sep 2026US 2026/0274702 A1Guangzhou Huifu Research Institute Co., Ltd.
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Vacuum cleaner13 Aug 2026US 2026/0232155 A1LG Electronics Inc.
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
- Handheld cleaning appliance235US 8,156,609 B2Dyson Technology Limited · 2012
- Cyclone dust collector233US 6,746,500 B1LG Electronics Inc. · 2004
- Cyclonic array such as for a vacuum cleaner192US 7,867,308 B2G. B. D. Corp. · 2011