A47L 9/325
For wheeled suction cleaners with steering handle
Official title: {for wheeled suction cleaners with steering handle}
A47L9/325 (For wheeled suction cleaners with steering handle) appears on 419 US grants and 488 published applications in this corpus.
Search patents in A47L- Granted patents
- 419
- Published applications
- 488
- Assignees
- 103
- Inventors
- 622
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 12 | 0 |
| 2001 | 4 | 3 |
| 2002 | 8 | 11 |
| 2003 | 9 | 4 |
| 2004 | 6 | 18 |
| 2005 | 2 | 10 |
| 2006 | 4 | 13 |
| 2007 | 12 | 21 |
| 2008 | 13 | 12 |
| 2009 | 9 | 18 |
| 2010 | 11 | 10 |
| 2011 | 8 | 7 |
| 2012 | 12 | 6 |
| 2013 | 5 | 15 |
| 2014 | 9 | 30 |
| 2015 | 17 | 22 |
| 2016 | 18 | 25 |
| 2017 | 18 | 25 |
| 2018 | 24 | 39 |
| 2019 | 46 | 24 |
| 2020 | 22 | 28 |
| 2021 | 30 | 31 |
| 2022 | 19 | 27 |
| 2023 | 31 | 23 |
| 2024 | 25 | 34 |
| 2025 | 11 | 17 |
| 2026 | 8 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- Construction of a vacuum cleaner head114US 6,173,474 B1Fantom Technologies Inc. · 2001