A47L 9/02
Nozzles
Official title: Nozzles (suction nozzles for fluid transport B65G51/00)
A47L9/02 (Nozzles) appears on 2,761 US grants and 3,223 published applications in this corpus.
Search patents in A47L- Granted patents
- 2,761
- Published applications
- 3,223
- Assignees
- 622
- Inventors
- 4,302
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 18 | 0 |
| 1981 | 13 | 0 |
| 1982 | 12 | 0 |
| 1983 | 14 | 0 |
| 1984 | 16 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 22 | 0 |
| 1988 | 18 | 0 |
| 1989 | 24 | 0 |
| 1990 | 27 | 0 |
| 1991 | 30 | 0 |
| 1992 | 21 | 0 |
| 1993 | 17 | 0 |
| 1994 | 17 | 0 |
| 1995 | 24 | 0 |
| 1996 | 32 | 0 |
| 1997 | 23 | 0 |
| 1998 | 43 | 0 |
| 1999 | 37 | 0 |
| 2000 | 54 | 0 |
| 2001 | 36 | 18 |
| 2002 | 35 | 51 |
| 2003 | 43 | 54 |
| 2004 | 37 | 80 |
| 2005 | 24 | 93 |
| 2006 | 32 | 75 |
| 2007 | 54 | 66 |
| 2008 | 46 | 93 |
| 2009 | 30 | 76 |
| 2010 | 66 | 107 |
| 2011 | 41 | 64 |
| 2012 | 45 | 91 |
| 2013 | 96 | 113 |
| 2014 | 86 | 111 |
| 2015 | 72 | 98 |
| 2016 | 87 | 132 |
| 2017 | 111 | 177 |
| 2018 | 116 | 167 |
| 2019 | 127 | 216 |
| 2020 | 157 | 178 |
| 2021 | 176 | 236 |
| 2022 | 154 | 185 |
| 2023 | 168 | 211 |
| 2024 | 163 | 233 |
| 2025 | 142 | 163 |
| 2026 | 89 | 135 |
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.
- Vacuum cleaner and method for operating a vacuum cleaner29 Sep 2026US 12,746,582 B2BSH Hausgeräte GmbH
- 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.
- Airbrush vacuum kit22 Sep 2026US 12,740,679 B2
- 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.
- Vacuum tools1 Oct 2026US 2026/0294186 A1Milwaukee Electric Tool Corporation
- Floor cleaner with a low power mode1 Oct 2026US 2026/0294193 A1Techtronic Floor Care Technology Limited
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
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002
- Autonomous floor cleaning robot322US 7,448,113 B2iRobert Corporation · 2008