A47L 9/2842
Suction motors or blowers
Official title: {Suction motors or blowers}
A47L9/2842 (Suction motors or blowers) appears on 800 US grants and 903 published applications in this corpus.
Search patents in A47L- Granted patents
- 800
- Published applications
- 903
- Assignees
- 252
- Inventors
- 1,659
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 2 |
| 2002 | 7 | 11 |
| 2003 | 8 | 6 |
| 2004 | 9 | 22 |
| 2005 | 6 | 22 |
| 2006 | 7 | 26 |
| 2007 | 16 | 29 |
| 2008 | 17 | 22 |
| 2009 | 5 | 18 |
| 2010 | 16 | 20 |
| 2011 | 19 | 26 |
| 2012 | 17 | 23 |
| 2013 | 23 | 11 |
| 2014 | 11 | 18 |
| 2015 | 18 | 16 |
| 2016 | 16 | 26 |
| 2017 | 21 | 44 |
| 2018 | 24 | 70 |
| 2019 | 42 | 76 |
| 2020 | 61 | 71 |
| 2021 | 49 | 61 |
| 2022 | 52 | 50 |
| 2023 | 41 | 75 |
| 2024 | 58 | 64 |
| 2025 | 47 | 51 |
| 2026 | 37 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum cleaner system notifying state of dust collection part and operating method of vacuum cleaner system6 Oct 2026US 12,751,592 B2Samsung Electronics Co., Ltd.
- Vacuum cleaner and method for operating a vacuum cleaner29 Sep 2026US 12,746,582 B2BSH Hausgeräte GmbH
- Motorized suction head with steam dispensing device22 Sep 2026US 12,740,678 B2New Ermes Europe S.p.A.
- Vacuum cleaner and method for controlling the same15 Sep 2026US 12,733,782 B2Samsung Electronics Co., Ltd.
- SLAM robot and a paired application thereof15 Sep 2026US 12,736,962 B1AI Incorporated
- Stationary service appliance for a poly functional roaming device8 Oct 2026US 2026/0310224 A1AI Incorporated
- 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
- System and method for controlling a motor at a constant rotations per minute (rpm)1 Oct 2026US 2026/0294194 A1Techtronic Floor Care Technology Limited
- Robotic cleaner and methods of operating the same24 Sep 2026US 2026/0283428 A1SharkNinja Operating LLC
Most cited
By later US patents
- Electronic vacuum cleaner control system266US 5,542,146 AAB Electrolux · 1996
- Debris sensor for cleaning apparatus246US 6,956,348 B2iRobot Corporation · 2005
- Floor treatment system with self-propelled and self-steering floor treatment unit228US 7,055,210 B2Alfred Kaercher GmbH & Co. KG · 2006
- Microcomputer control system for a canister vacuum cleaner206US 4,654,924 AWhirlpool Corporation · 1987
- Electronic vacuum cleaner control system206US 5,507,067 AAB Electrolux · 1996