A47L 9/1608
Cyclonic chamber constructions
Official title: {Cyclonic chamber constructions}
A47L9/1608 (Cyclonic chamber constructions) appears on 828 US grants and 1,074 published applications in this corpus.
Search patents in A47L- Granted patents
- 828
- Published applications
- 1,074
- Assignees
- 166
- Inventors
- 845
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 1 |
| 2002 | 6 | 7 |
| 2003 | 5 | 6 |
| 2004 | 7 | 11 |
| 2005 | 9 | 19 |
| 2006 | 10 | 24 |
| 2007 | 5 | 33 |
| 2008 | 16 | 20 |
| 2009 | 16 | 27 |
| 2010 | 27 | 26 |
| 2011 | 21 | 13 |
| 2012 | 17 | 26 |
| 2013 | 13 | 17 |
| 2014 | 22 | 47 |
| 2015 | 32 | 29 |
| 2016 | 37 | 74 |
| 2017 | 41 | 94 |
| 2018 | 43 | 67 |
| 2019 | 91 | 95 |
| 2020 | 84 | 102 |
| 2021 | 64 | 68 |
| 2022 | 81 | 62 |
| 2023 | 56 | 58 |
| 2024 | 58 | 64 |
| 2025 | 28 | 44 |
| 2026 | 15 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface cleaning apparatus29 Sep 2026US 12,745,882 B2Omachron Intellectual Property Inc.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Low profile bucket lid and dust cyclone25 Aug 2026US 12,714,274 B2Oneida Air Systems, Inc.
- Surface cleaning apparatus14 Jul 2026US 12,677,998 B2Omachron Intellectual Property Inc.
- Evacuation station7 Jul 2026US 12,672,747 B2iRobot Corporation
- Surface cleaning apparatus1 Oct 2026US 2026/0294184 A1Omachron Intellectual Property Inc.
- Cleaning Device and Dust Collecting Method1 Oct 2026US 2026/0294188 A1Shenzhen Chenbei Technology Co., Ltd.
- Cyclonic separator1 Oct 2026US 2026/0294190 A1Milwaukee Electric Tool Corporation
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Hand carryable surface cleaning apparatus24 Sep 2026US 2026/0283417 A1Omachron Intellectual Property Inc.
Most cited
By later US patents
- 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
- Cyclonic vacuum cleaner ribbed cyclone shroud238US 7,922,794 B2Electrolux Home Care Products, Inc. · 2011
- 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
- Cyclone dust collector233US 6,746,500 B1LG Electronics Inc. · 2004
- Apparatus and method for separating particles from a cyclonic fluid flow228US 6,221,134 B1G. B. D. Corp. · 2001