A47L 11/4066
Propulsion of the whole machine
Official title: {Propulsion of the whole machine}
A47L11/4066 (Propulsion of the whole machine) appears on 477 US grants and 580 published applications in this corpus.
Search patents in A47L- Granted patents
- 477
- Published applications
- 580
- Assignees
- 167
- Inventors
- 935
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 6 |
| 2006 | 0 | 3 |
| 2007 | 5 | 4 |
| 2008 | 2 | 13 |
| 2009 | 4 | 4 |
| 2010 | 2 | 9 |
| 2011 | 4 | 6 |
| 2012 | 5 | 13 |
| 2013 | 15 | 10 |
| 2014 | 12 | 16 |
| 2015 | 13 | 24 |
| 2016 | 18 | 31 |
| 2017 | 23 | 44 |
| 2018 | 19 | 38 |
| 2019 | 48 | 59 |
| 2020 | 41 | 34 |
| 2021 | 32 | 64 |
| 2022 | 38 | 54 |
| 2023 | 38 | 43 |
| 2024 | 43 | 53 |
| 2025 | 20 | 28 |
| 2026 | 30 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for controlling rotating speed, cleaning robot, and storage medium8 Sep 2026US 12,727,728 B2Qfeeltech (Beijing) Co., Ltd.
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- Robotic vacuum cleaner, docking station, and cleaning system including the same17 Sep 2026US 2026/0272250 A1Samsung Electronics Co., Ltd.
- Automated cleaning implement evaluation systems and methods for floor treatment machines10 Sep 2026US 2026/0262897 A1Nilfisk A/S
- Cleaner27 Aug 2026US 2026/0248333 A1Samsung Electronics Co., Ltd.
- Magnetic apparatus for bathroom fixtures and devices13 Aug 2026US 2026/0232162 A1Kohler Co.
Most cited
By later US patents
- Autonomous floor-cleaning robot453US 6,883,201 B2iRobot Corporation · 2005
- Autonomous floor cleaning robot349US 7,636,982 B2iRobot Corporation · 2009
- Autonomous floor-cleaning robot331US 7,571,511 B2iRobot Corporation · 2009
- Autonomous floor cleaning robot322US 7,448,113 B2iRobert Corporation · 2008
- Self-propelled cleaning device with wireless remote-control304US 4,306,329 ANintendo Co., Ltd. · 1981