A47L 9/2836
Characterised by the parts which are controlled
Official title: {characterised by the parts which are controlled}
A47L9/2836 (Characterised by the parts which are controlled) appears on 1,722 US grants and 2,174 published applications in this corpus.
Search patents in A47L- Granted patents
- 1,722
- Published applications
- 2,174
- Assignees
- 454
- Inventors
- 3,342
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 16 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 15 | 0 |
| 2001 | 18 | 2 |
| 2002 | 10 | 16 |
| 2003 | 13 | 10 |
| 2004 | 15 | 35 |
| 2005 | 12 | 37 |
| 2006 | 9 | 33 |
| 2007 | 21 | 48 |
| 2008 | 23 | 38 |
| 2009 | 11 | 26 |
| 2010 | 21 | 37 |
| 2011 | 25 | 37 |
| 2012 | 20 | 40 |
| 2013 | 44 | 29 |
| 2014 | 37 | 37 |
| 2015 | 37 | 35 |
| 2016 | 29 | 50 |
| 2017 | 51 | 132 |
| 2018 | 52 | 166 |
| 2019 | 122 | 198 |
| 2020 | 150 | 193 |
| 2021 | 126 | 215 |
| 2022 | 148 | 170 |
| 2023 | 141 | 185 |
| 2024 | 168 | 157 |
| 2025 | 138 | 143 |
| 2026 | 84 | 105 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cleaning system and cleaning method6 Oct 2026US 12,751,590 B2Pixart Imaging Inc.
- 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.
- Vacuum cleaner with two turbines, and operating method for same8 Oct 2026US 2026/0305892 A1Hilti Aktiengesellschaft
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Apparatus and method for controlling a cleaning robot8 Oct 2026US 2026/0305900 A1BSH Hausgeräte GmbH
- 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.
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
- Celestial navigation system for an autonomous robot378US 7,706,917 B1iRobot Corporation · 2010