A47L 9/1625
For series flow
Official title: {for series flow}
A47L9/1625 (For series flow) appears on 728 US grants and 873 published applications in this corpus.
Search patents in A47L- Granted patents
- 728
- Published applications
- 873
- Assignees
- 109
- Inventors
- 589
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 4 |
| 2002 | 10 | 5 |
| 2003 | 8 | 6 |
| 2004 | 8 | 15 |
| 2005 | 5 | 16 |
| 2006 | 9 | 36 |
| 2007 | 10 | 41 |
| 2008 | 13 | 31 |
| 2009 | 31 | 48 |
| 2010 | 41 | 37 |
| 2011 | 32 | 10 |
| 2012 | 20 | 25 |
| 2013 | 17 | 23 |
| 2014 | 28 | 18 |
| 2015 | 31 | 30 |
| 2016 | 18 | 46 |
| 2017 | 20 | 61 |
| 2018 | 32 | 76 |
| 2019 | 76 | 66 |
| 2020 | 82 | 71 |
| 2021 | 46 | 42 |
| 2022 | 52 | 32 |
| 2023 | 43 | 43 |
| 2024 | 43 | 41 |
| 2025 | 13 | 23 |
| 2026 | 10 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface cleaning apparatus29 Sep 2026US 12,745,882 B2Omachron Intellectual Property Inc.
- Dust collector, vacuum cleaner, and cleaning device22 Sep 2026US 12,740,680 B2Samsung Electronics Co., Ltd.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Evacuation station7 Jul 2026US 12,672,747 B2iRobot Corporation
- Evacuation station for a mobile floor cleaning robot16 Jun 2026US 12,653,362 B2Omachron Intellectual Property Inc.
- Vacuum cleaner having two stages of spiral separation structures1 Oct 2026US 2026/0294191 A1
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Hand carryable surface cleaning apparatus24 Sep 2026US 2026/0283417 A1Omachron Intellectual Property Inc.
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Double-cyclone separator24 Sep 2026US 2026/0284677 A1
Most cited
By later US patents
- Cyclonic back-pack vacuum cleaner370US 5,267,371 AIona Appliances Inc. · 1993
- Shroud330US 5,078,761 ANotetry Limited · 1992
- Vacuum cleaner327US 6,553,612 B1Dyson Limited · 2003
- Vacuum cleaning appliances322US 4,373,228 A1983
- Upright vacuum cleaner with cyclonic air flow295US 6,782,585 B1Fantom Technologies Inc. · 2004