A47L 2201/00
Robotic cleaning machines, i.e. with automatic control of the travelling movement or
Official title: Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
A47L2201/00 (Robotic cleaning machines, i.e. with automatic control of the travelling movement or) appears on 2,885 US grants and 4,115 published applications in this corpus.
Search patents in A47L- Granted patents
- 2,885
- Published applications
- 4,115
- Assignees
- 622
- Inventors
- 4,743
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 15 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 3 |
| 2002 | 9 | 18 |
| 2003 | 17 | 12 |
| 2004 | 11 | 31 |
| 2005 | 14 | 67 |
| 2006 | 13 | 44 |
| 2007 | 21 | 43 |
| 2008 | 22 | 58 |
| 2009 | 21 | 25 |
| 2010 | 20 | 38 |
| 2011 | 21 | 40 |
| 2012 | 19 | 81 |
| 2013 | 58 | 84 |
| 2014 | 80 | 96 |
| 2015 | 78 | 98 |
| 2016 | 93 | 178 |
| 2017 | 110 | 212 |
| 2018 | 151 | 252 |
| 2019 | 226 | 329 |
| 2020 | 222 | 351 |
| 2021 | 233 | 400 |
| 2022 | 295 | 367 |
| 2023 | 288 | 366 |
| 2024 | 303 | 370 |
| 2025 | 252 | 298 |
| 2026 | 205 | 254 |
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.
- Cleaning apparatus, and housing and sensor used therefor6 Oct 2026US 12,751,591 B2Beijing Roborock Technology Co., Ltd.
- 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.
- Cleaning robot escape method and device, medium, and electronic apparatus6 Oct 2026US 12,751,594 B2Beijing Roborock Innovation Technology Co., Ltd.
- Robot cleaner6 Oct 2026US 12,751,595 B2Samsung Electronics Co., Ltd.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Mobile cleaning robot with variable cleaning features8 Oct 2026US 2026/0305896 A1iRobot Corporation
- Residual-water-stain recovery method and apparatus, robot, and storage medium8 Oct 2026US 2026/0305897 A1Shenzhen Pudu Technology Co., Ltd.
- Robotic system for facade operation of a building facade and the method thereof8 Oct 2026US 2026/0305898 A1Skybotics Technology Limited
- Method for constructing a map while performing work8 Oct 2026US 2026/0305899 A1Bobsweep USA
Most cited
By later US patents
- Home cleaning robot729US 6,459,955 B1The Procter & Gamble Company · 2002
- Mobile robots and their control system575US 6,389,329 B12002
- Mobile robots and their control system518US 6,532,404 B22003
- Mobile work robot system511US 5,959,423 AMinolta Co., Ltd. · 1999
- Robot obstacle detection system454US 6,594,844 B2iRobot Corporation · 2003