A47L 7/04
Suction cleaners adapted for additional purposes: for using the exhaust air for
Official title: for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air (spraying or atomising in general B05)
A47L7/04 (Suction cleaners adapted for additional purposes: for using the exhaust air for) appears on 115 US grants and 133 published applications in this corpus.
Search patents in A47L- Granted patents
- 115
- Published applications
- 133
- Assignees
- 68
- Inventors
- 311
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 3 |
| 2003 | 4 | 5 |
| 2004 | 1 | 7 |
| 2005 | 3 | 9 |
| 2006 | 3 | 11 |
| 2007 | 3 | 9 |
| 2008 | 2 | 7 |
| 2009 | 6 | 7 |
| 2010 | 6 | 6 |
| 2011 | 2 | 4 |
| 2012 | 1 | 4 |
| 2013 | 3 | 2 |
| 2014 | 4 | 4 |
| 2015 | 5 | 2 |
| 2016 | 2 | 7 |
| 2017 | 0 | 1 |
| 2018 | 4 | 3 |
| 2019 | 2 | 5 |
| 2020 | 7 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 8 |
| 2023 | 2 | 11 |
| 2024 | 6 | 6 |
| 2025 | 5 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vacuum exhaust deodorizer14 Jul 2026US 12,678,002 B2Levi Charbonneau
- Robotic cleaner and methods of operating the same30 Jun 2026US 12,667,237 B2SharkNinja Operating LLC
- Mobile object and method for preventing foreign matter from adhering to mobile object31 Mar 2026US 12,589,419 B2Toyota Jidosha Kabushiki Kaisha
- Ground cleaning device17 Feb 2026US 12,551,073 B2Anker Innovations Technology Co., Ltd.
- Air outlet structure of vacuum cleaner with aroma generation4 Nov 2025US 12,458,187 B2
- Scented vacuum filter pad1 Oct 2026US 2026/0294185 A1
- Robotic cleaner and methods of operating the same24 Sep 2026US 2026/0283428 A1SharkNinja Operating LLC
- Surface cleaning device with odor management23 Apr 2026US 2026/0108119 A1SharkNinja Operating LLC
- Cleaning system and method for controlling the same2 Oct 2025US 2025/0302268 A1Samsung Electronics Co., Ltd.
- Air agitator nozzle system24 Jul 2025US 2025/0235058 A1Transform Sr Brands LLC
Most cited
By later US patents
- Clean air vacuum cleaners98US 5,481,780 A1996
- Vacuum cleaner for household refuse48US 6,141,822 ACertech SA, Societe Anonyme · 2000
- Hand vacuum with filter indicator43US 7,418,763 B2Black & Decker Inc. · 2008
- Antiviral and antibacterial filtration module for a vacuum cleaner or other appliance37US 6,776,824 B22004
- Directed discharge blower chute and method34US 5,107,566 A1992