A47L 9/0072
Mechanical means for controlling the suction or for effecting pulsating action
Official title: {Mechanical means for controlling the suction or for effecting pulsating action}
A47L9/0072 (Mechanical means for controlling the suction or for effecting pulsating action) appears on 162 US grants and 208 published applications in this corpus.
Search patents in A47L- Granted patents
- 162
- Published applications
- 208
- Assignees
- 100
- Inventors
- 422
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 5 |
| 2005 | 1 | 9 |
| 2006 | 1 | 4 |
| 2007 | 3 | 6 |
| 2008 | 6 | 4 |
| 2009 | 3 | 3 |
| 2010 | 4 | 6 |
| 2011 | 1 | 7 |
| 2012 | 2 | 9 |
| 2013 | 7 | 8 |
| 2014 | 13 | 5 |
| 2015 | 5 | 10 |
| 2016 | 5 | 5 |
| 2017 | 8 | 13 |
| 2018 | 8 | 12 |
| 2019 | 6 | 13 |
| 2020 | 7 | 11 |
| 2021 | 7 | 9 |
| 2022 | 9 | 14 |
| 2023 | 8 | 15 |
| 2024 | 6 | 18 |
| 2025 | 13 | 12 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum cleaner and method for operating a vacuum cleaner29 Sep 2026US 12,746,582 B2BSH Hausgeräte GmbH
- Field-tailored prefabricated dust suction mat25 Aug 2026US 12,714,285 B2Testonic Co., Ltd.
- Floor cleaner with a movably mounted suction nozzle9 Jun 2026US 12,648,678 B2BSH Hausgeräte GmbH
- Cleaner station, cleaner system, and control method therefor2 Jun 2026US 12,642,402 B2LG Electronics Inc.
- Nozzle arrangement configured to face a surface to be cleaned27 Jan 2026US 12,532,997 B2Versuni Holding B.V.
- Cleaner station, cleaner system, and control method therefor24 Sep 2026US 2026/0283420 A1LG Electronics Inc.
- Systems and methods for active suspension for a robotic vacuum removable cleaning pad9 Jul 2026US 2026/0191375 A1SharkNinja Operating LLC
- Systems and methods for active suspension for a robotic cleaning device9 Jul 2026US 2026/0191377 A1SharkNinja Operating LLC
- Systems and methods for active suspension for a robotic cleaning device9 Jul 2026US 2026/0191386 A1SharkNinja Operating LLC
- Systems and methods for active suspension9 Jul 2026US 2026/0191390 A1SharkNinja Operating LLC
Most cited
By later US patents
- Method and apparatus for reducing the size of elongate particulate material in a vacuum cleaner head84US 6,170,119 B2Fantom Technologies Inc. · 2001
- Vacuum cleaner77US 6,345,411 B1Matsushita Electric Industrial Co., Ltd. · 2002
- Removable cyclone chamber and dirt collection assembly for a surface cleaning apparatus68US 8,769,767 B2G. B. D. Corp. · 2014
- Bleed air valve of a surface cleaning apparatus53US 8,875,342 B2G. B. D. Corp. · 2014
- Vacuum cleaner adapter for micro tools49US 5,050,266 A1991