A47L 9/327
For suction cleaners with hose between nozzle and casing
Official title: {for suction cleaners with hose between nozzle and casing}
A47L9/327 (For suction cleaners with hose between nozzle and casing) appears on 195 US grants and 233 published applications in this corpus.
Search patents in A47L- Granted patents
- 195
- Published applications
- 233
- Assignees
- 90
- Inventors
- 449
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 2 | 5 |
| 2003 | 5 | 11 |
| 2004 | 4 | 7 |
| 2005 | 6 | 5 |
| 2006 | 5 | 8 |
| 2007 | 6 | 8 |
| 2008 | 5 | 5 |
| 2009 | 1 | 6 |
| 2010 | 6 | 11 |
| 2011 | 2 | 6 |
| 2012 | 3 | 3 |
| 2013 | 5 | 3 |
| 2014 | 10 | 12 |
| 2015 | 4 | 7 |
| 2016 | 4 | 5 |
| 2017 | 4 | 22 |
| 2018 | 6 | 13 |
| 2019 | 13 | 13 |
| 2020 | 16 | 14 |
| 2021 | 16 | 8 |
| 2022 | 7 | 14 |
| 2023 | 10 | 8 |
| 2024 | 7 | 27 |
| 2025 | 4 | 5 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Air flow-producing device, such as a vacuum cleaner or a blower1,158US 7,712,182 B2Milwaukee Electric Tool Corporation · 2010
- Cyclone-type dust-collecting apparatus for use in a vacuum cleaner188US 6,833,015 B2Samsung Gwangju Electronics Co., Ltd. · 2004
- Bagless canister vacuum cleaner145US 6,712,868 B2Royal Appliance Mfg. Co. · 2004
- Electric vacuum cleaner and nozzle unit therefor130US 6,345,408 B1Sharp Kabushiki Kaisha · 2002
- Electric vacuum cleaner125US 6,553,613 B2Sharp Kabushiki Kaisha · 2003