B04C 5/185
Dust collectors
B04C5/185 (Dust collectors) appears on 318 US grants and 383 published applications in this corpus.
Search patents in B04C- Granted patents
- 318
- Published applications
- 383
- Assignees
- 144
- Inventors
- 515
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 3 |
| 2003 | 7 | 6 |
| 2004 | 7 | 6 |
| 2005 | 5 | 10 |
| 2006 | 4 | 24 |
| 2007 | 7 | 14 |
| 2008 | 12 | 11 |
| 2009 | 16 | 22 |
| 2010 | 16 | 13 |
| 2011 | 13 | 5 |
| 2012 | 11 | 8 |
| 2013 | 9 | 8 |
| 2014 | 3 | 9 |
| 2015 | 8 | 9 |
| 2016 | 4 | 9 |
| 2017 | 9 | 17 |
| 2018 | 13 | 23 |
| 2019 | 15 | 30 |
| 2020 | 23 | 47 |
| 2021 | 24 | 18 |
| 2022 | 27 | 25 |
| 2023 | 21 | 17 |
| 2024 | 20 | 17 |
| 2025 | 12 | 10 |
| 2026 | 6 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low profile bucket lid and dust cyclone25 Aug 2026US 12,714,274 B2Oneida Air Systems, Inc.
- Low profile dust separator23 Jun 2026US 12,661,663 B2
- Auxiliary device and work machine system26 May 2026US 12,636,747 B2Koki Holdings Co., Ltd.
- Compact disc stack cyclone separator19 May 2026US 12,629,701 B2
- Air treatment apparatus24 Feb 2026US 12,558,697 B2Omachron Intellectual Property Inc.
- Cleaning Device and Dust Collecting Method1 Oct 2026US 2026/0294188 A1Shenzhen Chenbei Technology Co., Ltd.
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Air treatment apparatus1 Oct 2026US 2026/0295605 A1Omachron Intellectual Property Inc.
- Separator for a fluid cleaning device24 Sep 2026US 2026/0284678 A1Dyson Technology Limited
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
Most cited
By later US patents
- Vacuum cleaner having a cyclone type dust collecting apparatus333US 6,406,505 B1Samsung Kwangju Electronics Co., Ltd. · 2002
- Apparatus and method for separating particles from a cyclonic fluid flow270US 6,251,296 B1G. B. D. Corp. · 2001
- Apparatus and method separating particles from a cyclonic fluid flow including an apertured particle separation member within a cyclonic flow region240US 6,440,197 B1G. B. D. Corp. · 2002
- 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