A47L 9/1472
Combined with security means
Official title: {combined with security means, e.g. for preventing use, e.g. in case of absence of the bag}
A47L9/1472 (Combined with security means) appears on 75 US grants and 69 published applications in this corpus.
Search patents in A47L- Granted patents
- 75
- Published applications
- 69
- Assignees
- 46
- Inventors
- 195
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 3 | 1 |
| 2012 | 0 | 3 |
| 2013 | 3 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 3 | 5 |
| 2019 | 2 | 4 |
| 2020 | 5 | 8 |
| 2021 | 3 | 4 |
| 2022 | 4 | 4 |
| 2023 | 4 | 3 |
| 2024 | 8 | 6 |
| 2025 | 2 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Evacuation station7 Jul 2026US 12,672,747 B2iRobot Corporation
- Power tool including an air filter and debris collector24 Mar 2026US 12,582,933 B2Milwaukee Electric Tool Corporation
- Vacuum cleaning machines2 Dec 2025US 12,484,750 B2Beacon Group International Products Ltd.
- Closure device, system, particle collecting assembly, and suction device3 Jun 2025US 12,318,059 B2Festool GmbH
- Interface for robot cleaner evacuation31 Dec 2024US 12,178,373 B2iRobot Corporation
- Power tool including an air filter and debris collector23 Jul 2026US 2026/0208088 A1Milwaukee Electric Tool Corporation
- Robot cleaner station4 Jun 2026US 2026/0151013 A1LG Electronics Inc.
- Device for holding a vacuum cleaner filter bag in a vacuum cleaner, and holding plate for a vacuum cleaner filter bag30 Apr 2026US 2026/0114685 A1Miele & Cie. KG
- Vacuum cleaner station and vacuum cleaner station control method8 Jan 2026US 2026/0007283 A1LG Electronics Inc.
- Cleaner station10 Jul 2025US 2025/0221589 A1LG Electronics Inc.
Most cited
By later US patents
- Vacuum cleaner with performance monitoring system188US 4,733,431 AWhirlpool Corporation · 1988
- Vacuum cleaner with operating condition indicator system153US 4,733,430 AWhirlpool Corporation · 1988
- Detector device for filter bags for vacuum cleaners114US 5,907,886 ABranofilter GmbH · 1999
- Evacuation station81US 9,931,007 B2iRobot Corporation · 2018
- Vacuum cleaner with collapsible handle67US 8,020,251 B2Electrolux Home Care Products, Inc. · 2011