A47L 9/04
With driven brushes or agitators
Official title: with driven brushes or agitators
A47L9/04 (With driven brushes or agitators) appears on 1,628 US grants and 2,035 published applications in this corpus.
Search patents in A47L- Granted patents
- 1,628
- Published applications
- 2,035
- Assignees
- 353
- Inventors
- 2,659
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 13 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 13 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 14 | 0 |
| 2001 | 17 | 8 |
| 2002 | 14 | 24 |
| 2003 | 22 | 27 |
| 2004 | 18 | 37 |
| 2005 | 15 | 54 |
| 2006 | 17 | 49 |
| 2007 | 32 | 32 |
| 2008 | 25 | 58 |
| 2009 | 14 | 44 |
| 2010 | 36 | 57 |
| 2011 | 22 | 34 |
| 2012 | 27 | 50 |
| 2013 | 63 | 64 |
| 2014 | 59 | 68 |
| 2015 | 46 | 66 |
| 2016 | 51 | 79 |
| 2017 | 75 | 135 |
| 2018 | 78 | 116 |
| 2019 | 95 | 123 |
| 2020 | 104 | 117 |
| 2021 | 116 | 154 |
| 2022 | 106 | 127 |
| 2023 | 113 | 150 |
| 2024 | 109 | 153 |
| 2025 | 98 | 115 |
| 2026 | 60 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hair cutting assembly and cleaning apparatus6 Oct 2026US 12,751,588 B2Jiangsu Midea Cleaning Appliances Co., Ltd.
- Cleaner head for a cleaning appliance22 Sep 2026US 12,740,677 B2Techtronic Floor Care Technology Limited
- Motorized suction head with steam dispensing device22 Sep 2026US 12,740,678 B2New Ermes Europe S.p.A.
- Recovery tank22 Sep 2026US 12,740,683 B2SharkNinja Operating LLC
- Cleaner15 Sep 2026US 12,733,779 B2Samsung Electronics Co., Ltd.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Roller Brush and Cleaning Device1 Oct 2026US 2026/0294090 A1Shenzhen Chenbei Technology Co., Ltd.
- Autonomous Vacuum Sweeping System Having a Brush Roller with Buffer Zone1 Oct 2026US 2026/0294091 A1Matic Robots, Inc.
- Floor cleaner with a low power mode1 Oct 2026US 2026/0294193 A1Techtronic Floor Care Technology Limited
- Vehicle interior cleaning apparatus1 Oct 2026US 2026/0296377 A1
Most cited
By later US patents
- Autonomous floor-cleaning robot453US 6,883,201 B2iRobot Corporation · 2005
- Autonomous floor cleaning robot349US 7,636,982 B2iRobot Corporation · 2009
- Autonomous floor-cleaning robot331US 7,571,511 B2iRobot Corporation · 2009
- Autonomous floor cleaning robot322US 7,448,113 B2iRobert Corporation · 2008
- Autonomous surface cleaning apparatus281US 5,940,927 AAktiebolaget Electrolux · 1999