A47L 9/322
For hand-supported suction cleaners
Official title: {for hand-supported suction cleaners}
A47L9/322 (For hand-supported suction cleaners) appears on 384 US grants and 575 published applications in this corpus.
Search patents in A47L- Granted patents
- 384
- Published applications
- 575
- Assignees
- 99
- Inventors
- 609
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 4 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 4 | 4 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 5 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 4 | 4 |
| 2014 | 3 | 7 |
| 2015 | 5 | 5 |
| 2016 | 8 | 28 |
| 2017 | 10 | 40 |
| 2018 | 18 | 25 |
| 2019 | 33 | 72 |
| 2020 | 33 | 60 |
| 2021 | 35 | 54 |
| 2022 | 54 | 53 |
| 2023 | 63 | 65 |
| 2024 | 48 | 54 |
| 2025 | 20 | 47 |
| 2026 | 24 | 32 |
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.
- Dust collection bin and cleaning apparatus comprising same29 Sep 2026US 12,745,883 B2Samsung Electronics Co., Ltd.
- Dust collector, vacuum cleaner, and cleaning device22 Sep 2026US 12,740,680 B2Samsung Electronics Co., Ltd.
- Vacuum cleaner1 Sep 2026US 12,721,489 B2Techtronic Floor Care Technology Limited
- Convertible surface cleaning apparatus25 Aug 2026US 12,714,271 B2BISSELL Inc.
- Surface cleaning apparatus1 Oct 2026US 2026/0294189 A1Omachron Intellectual Property Inc.
- Hand carryable surface cleaning apparatus24 Sep 2026US 2026/0283417 A1Omachron Intellectual Property Inc.
- Surface cleaner24 Sep 2026US 2026/0283423 A1Omachron Intellectual Property Inc.
- Blower3 Sep 2026US 2026/0256064 A1Nanjing Chervon Industry Co., Ltd.
- Surface cleaning apparatus20 Aug 2026US 2026/0240382 A1Omachron Intellectual Property Inc.
Most cited
By later US patents
- Cleaning appliance130US 8,347,455 B2Dyson Technology Limited · 2013
- Surface cleaning apparatus122US 9,027,198 B2G. B. D. Corp. · 2015
- Cleaning appliance118US 8,302,250 B2Dyson Technology Limited · 2012
- Portable electrically powered blower apparatus79US 6,105,206 ADepartment of Water and Power City of Los Angeles · 2000
- Handheld cleaning appliance74US 8,387,204 B2Dyson Technology Limited · 2013