A47L 11/4069
Driving or transmission means for the cleaning tools
Official title: {Driving or transmission means for the cleaning tools}
A47L11/4069 (Driving or transmission means for the cleaning tools) appears on 804 US grants and 785 published applications in this corpus.
Search patents in A47L- Granted patents
- 804
- Published applications
- 785
- Assignees
- 341
- Inventors
- 1,549
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 13 | 0 |
| 1979 | 16 | 0 |
| 1980 | 15 | 0 |
| 1981 | 8 | 0 |
| 1982 | 18 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 15 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 17 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 14 | 3 |
| 2002 | 5 | 6 |
| 2003 | 7 | 9 |
| 2004 | 3 | 24 |
| 2005 | 7 | 16 |
| 2006 | 12 | 22 |
| 2007 | 8 | 8 |
| 2008 | 10 | 24 |
| 2009 | 10 | 13 |
| 2010 | 6 | 15 |
| 2011 | 8 | 8 |
| 2012 | 10 | 15 |
| 2013 | 21 | 12 |
| 2014 | 12 | 28 |
| 2015 | 12 | 29 |
| 2016 | 20 | 25 |
| 2017 | 19 | 35 |
| 2018 | 27 | 21 |
| 2019 | 28 | 50 |
| 2020 | 23 | 28 |
| 2021 | 39 | 70 |
| 2022 | 30 | 65 |
| 2023 | 59 | 69 |
| 2024 | 52 | 91 |
| 2025 | 30 | 55 |
| 2026 | 40 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning apparatus6 Oct 2026US 12,751,596 B2Suzhou Eup Electric Co. Ltd.
- AI robot cleaner and robot system having the same29 Sep 2026US 12,745,886 B2LG Electronics Inc.
- Electric burnisher22 Sep 2026US 12,740,682 B2Amano Pioneer Eclipse Corporation
- Anti-tangle roller brush, roller brush mechanism and sweeping robot15 Sep 2026US 12,733,785 B2Linksmart Technology (Zhongshan) Co., Ltd.
- Floor cleaning machine and method for operating a floor cleaning machine8 Sep 2026US 12,727,727 B2Alfred Kärcher GmbH & Co. KG
- Stationary service appliance for a poly functional roaming device8 Oct 2026US 2026/0310224 A1AI Incorporated
- Robot cleaner and robot cleaner system1 Oct 2026US 2026/0294196 A1LG Electronics Inc.
- Cleaner and cleaner control method24 Sep 2026US 2026/0283434 A1LG Electronics Inc.
- Robotic vacuum cleaner, docking station, and cleaning system including the same17 Sep 2026US 2026/0272250 A1Samsung Electronics Co., Ltd.
- Device for cleaning surfaces13 Aug 2026US 2026/0232104 A1
Most cited
By later US patents
- Autonomous surface cleaning robot for wet and dry cleaning295US 7,761,954 B2iRobot Corporation · 2010
- Autonomous surface cleaning robot for wet and dry cleaning257US 7,389,156 B2iRobot Corporation · 2008
- Autonomous surface cleaning robot for dry cleaning199US 7,620,476 B2iRobot Corporation · 2009
- Household appliance having plural coaxially rotatable or parallel linearly movable heads or tools177US 6,032,313 A2000
- Floor cleaner with dusting170US 7,013,528 B2BISSELL Homecare, Inc. · 2006