A47L 2201/04
Automatic control of the travelling movement
Official title: Automatic control of the travelling movement; Automatic obstacle detection
A47L2201/04 (Automatic control of the travelling movement) appears on 1,872 US grants and 2,546 published applications in this corpus.
Search patents in A47L- Granted patents
- 1,872
- Published applications
- 2,546
- Assignees
- 424
- Inventors
- 3,217
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 3 |
| 2002 | 8 | 16 |
| 2003 | 9 | 8 |
| 2004 | 9 | 24 |
| 2005 | 11 | 42 |
| 2006 | 8 | 23 |
| 2007 | 15 | 18 |
| 2008 | 14 | 36 |
| 2009 | 11 | 19 |
| 2010 | 8 | 24 |
| 2011 | 10 | 20 |
| 2012 | 9 | 43 |
| 2013 | 40 | 50 |
| 2014 | 49 | 55 |
| 2015 | 46 | 53 |
| 2016 | 59 | 123 |
| 2017 | 68 | 167 |
| 2018 | 110 | 187 |
| 2019 | 163 | 223 |
| 2020 | 153 | 253 |
| 2021 | 162 | 271 |
| 2022 | 203 | 225 |
| 2023 | 196 | 216 |
| 2024 | 194 | 190 |
| 2025 | 147 | 148 |
| 2026 | 105 | 109 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Pollution source determination robot cleaner and operating method thereof6 Oct 2026US 12,751,597 B2Samsung Electronics Co., Ltd.
- AI robot cleaner and robot system having the same29 Sep 2026US 12,745,886 B2LG Electronics Inc.
- SLAM robot and a paired application thereof15 Sep 2026US 12,736,962 B1AI Incorporated
- 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.
- Method for constructing a map while performing work8 Oct 2026US 2026/0305899 A1Bobsweep USA
- Method for controlling robot cleaner, and robot cleaner8 Oct 2026US 2026/0305901 A1Beijing Roborock Innovation Technology Co., Ltd.
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
- Robot obstacle detection system454US 6,594,844 B2iRobot Corporation · 2003
- Autonomous floor-cleaning robot453US 6,883,201 B2iRobot Corporation · 2005