A47L 7/0014
With additional means or devices between nozzle and casing
Official title: {with additional means or devices between nozzle and casing}
A47L7/0014 (With additional means or devices between nozzle and casing) appears on 112 US grants and 132 published applications in this corpus.
Search patents in A47L- Granted patents
- 112
- Published applications
- 132
- Assignees
- 44
- Inventors
- 198
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 4 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 1 | 5 |
| 2017 | 3 | 3 |
| 2018 | 3 | 7 |
| 2019 | 7 | 22 |
| 2020 | 15 | 9 |
| 2021 | 17 | 15 |
| 2022 | 7 | 9 |
| 2023 | 13 | 9 |
| 2024 | 9 | 16 |
| 2025 | 6 | 6 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Surface cleaning apparatus65US 10,092,155 B2BISSELL Homecare, Inc. · 2018
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- Separator system31US 4,041,569 A1977
- Vacuum cleaner accessory30US 4,341,540 A1982