A47L 9/2852
Elements for displacement of the vacuum cleaner or the accessories therefor
Official title: {Elements for displacement of the vacuum cleaner or the accessories therefor, e.g. wheels, casters or nozzles}
A47L9/2852 (Elements for displacement of the vacuum cleaner or the accessories therefor) appears on 811 US grants and 1,141 published applications in this corpus.
Search patents in A47L- Granted patents
- 811
- Published applications
- 1,141
- Assignees
- 232
- Inventors
- 1,742
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 4 | 3 |
| 2004 | 2 | 15 |
| 2005 | 7 | 23 |
| 2006 | 5 | 9 |
| 2007 | 6 | 17 |
| 2008 | 5 | 16 |
| 2009 | 7 | 8 |
| 2010 | 4 | 9 |
| 2011 | 4 | 10 |
| 2012 | 4 | 13 |
| 2013 | 15 | 7 |
| 2014 | 17 | 16 |
| 2015 | 15 | 15 |
| 2016 | 8 | 21 |
| 2017 | 26 | 87 |
| 2018 | 27 | 101 |
| 2019 | 81 | 107 |
| 2020 | 76 | 119 |
| 2021 | 77 | 140 |
| 2022 | 93 | 107 |
| 2023 | 96 | 90 |
| 2024 | 94 | 81 |
| 2025 | 75 | 79 |
| 2026 | 43 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- SLAM robot and a paired application thereof15 Sep 2026US 12,736,962 B1AI Incorporated
- Robot cleaner and controlling method thereof15 Sep 2026US 12,736,984 B2Samsung Electronics Co., Ltd.
- Environment maintenance system and weeder robot8 Sep 2026US 12,727,530 B2Pixart Imaging Inc.
- Cleaning robot and method of controlling same8 Sep 2026US 12,727,723 B2Samsung Electronics Co., Ltd.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Robotic cleaner and methods of operating the same24 Sep 2026US 2026/0283428 A1SharkNinja Operating LLC
- Vacuum cleaner and control method therefor27 Aug 2026US 2026/0248335 A1LG Electronics Inc.
- Robot cleaner and cleaning method therefor13 Aug 2026US 2026/0232158 A1Samsung Electronics Co., Ltd.
- Charging station and method for charging robot6 Aug 2026US 2026/0225484 A1LG Electronics Inc.
Most cited
By later US patents
- Mobile robots and their control system575US 6,389,329 B12002
- Autonomous floor-cleaning robot453US 6,883,201 B2iRobot Corporation · 2005
- Automatic machine and device for floor dusting439US 5,787,545 A1998
- Autonomous robot auto-docking and energy management systems and methods436US 7,332,890 B2iRobot Corporation · 2008
- Docking system for a self-propelled working tool360US 6,525,509 B1Aktiebolaget Electrolux · 2003