A47L 9/22
Mountings for motor fan assemblies
A47L9/22 (Mountings for motor fan assemblies) appears on 677 US grants and 852 published applications in this corpus.
Search patents in A47L- Granted patents
- 677
- Published applications
- 852
- Assignees
- 202
- Inventors
- 1,202
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 6 |
| 2002 | 8 | 6 |
| 2003 | 6 | 9 |
| 2004 | 7 | 12 |
| 2005 | 4 | 18 |
| 2006 | 4 | 16 |
| 2007 | 8 | 16 |
| 2008 | 6 | 18 |
| 2009 | 11 | 21 |
| 2010 | 13 | 23 |
| 2011 | 13 | 20 |
| 2012 | 8 | 24 |
| 2013 | 21 | 15 |
| 2014 | 25 | 34 |
| 2015 | 15 | 21 |
| 2016 | 24 | 23 |
| 2017 | 22 | 63 |
| 2018 | 27 | 69 |
| 2019 | 56 | 65 |
| 2020 | 55 | 63 |
| 2021 | 45 | 66 |
| 2022 | 45 | 59 |
| 2023 | 61 | 73 |
| 2024 | 63 | 64 |
| 2025 | 32 | 26 |
| 2026 | 18 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning system and cleaning method6 Oct 2026US 12,751,590 B2Pixart Imaging Inc.
- Static discharge mitigation of vacuum cleaners1 Sep 2026US 12,721,490 B2Milwaukee Electric Tool Corporation
- Vacuum cleaning device4 Aug 2026US 12,697,005 B2Black & Decker Inc.
- Surface cleaner28 Jul 2026US 12,690,735 B2BISSELL Inc.
- Surface cleaning apparatus14 Jul 2026US 12,678,001 B2Omachron Intellectual Property Inc.
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
- Surface cleaning apparatus267US 8,146,201 B2G. B. D. Corp. · 2012
- Surface cleaning apparatus with enlarged dirt collection chamber179US 8,151,407 B2G. B. D. Corp. · 2012
- Cleaning appliance130US 8,347,455 B2Dyson Technology Limited · 2013
- Surface cleaning apparatus122US 9,027,198 B2G. B. D. Corp. · 2015