A47L 9/0477
Rolls
Official title: {Rolls}
A47L9/0477 (Rolls) appears on 838 US grants and 1,195 published applications in this corpus.
Search patents in A47L- Granted patents
- 838
- Published applications
- 1,195
- Assignees
- 206
- Inventors
- 1,568
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 4 |
| 2003 | 5 | 4 |
| 2004 | 4 | 8 |
| 2005 | 6 | 12 |
| 2006 | 5 | 11 |
| 2007 | 7 | 4 |
| 2008 | 3 | 16 |
| 2009 | 2 | 6 |
| 2010 | 7 | 20 |
| 2011 | 4 | 7 |
| 2012 | 8 | 20 |
| 2013 | 19 | 25 |
| 2014 | 21 | 35 |
| 2015 | 24 | 43 |
| 2016 | 30 | 55 |
| 2017 | 49 | 94 |
| 2018 | 56 | 84 |
| 2019 | 68 | 83 |
| 2020 | 70 | 81 |
| 2021 | 78 | 108 |
| 2022 | 74 | 96 |
| 2023 | 74 | 110 |
| 2024 | 75 | 111 |
| 2025 | 70 | 86 |
| 2026 | 41 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Vacuum cleaner and method for controlling the same15 Sep 2026US 12,733,782 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.
- Suction Head Provided With A Rotating Brush Provided With A Cleaning Blade24 Sep 2026US 2026/0283340 A1Seb S. A.
- Nozzle for a surface treatment apparatus and a surface treatment apparatus having the same3 Sep 2026US 2026/0256331 A1SharkNinja Operating LLC
- Vacuum cleaner with removable agitator assembly27 Aug 2026US 2026/0248332 A1BISSELL Inc.
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
- Robotic vacuum cleaner206US 7,079,923 B2F Robotics Acquisitions Ltd. · 2006