A47L 11/302
Having rotary tools
Official title: {having rotary tools}
A47L11/302 (Having rotary tools) appears on 490 US grants and 678 published applications in this corpus.
Search patents in A47L- Granted patents
- 490
- Published applications
- 678
- Assignees
- 165
- Inventors
- 990
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 2 |
| 2002 | 0 | 6 |
| 2003 | 4 | 5 |
| 2004 | 6 | 6 |
| 2005 | 3 | 7 |
| 2006 | 2 | 12 |
| 2007 | 4 | 13 |
| 2008 | 5 | 23 |
| 2009 | 3 | 17 |
| 2010 | 10 | 9 |
| 2011 | 16 | 7 |
| 2012 | 8 | 17 |
| 2013 | 17 | 11 |
| 2014 | 16 | 15 |
| 2015 | 10 | 17 |
| 2016 | 12 | 16 |
| 2017 | 11 | 29 |
| 2018 | 18 | 22 |
| 2019 | 22 | 59 |
| 2020 | 38 | 30 |
| 2021 | 45 | 65 |
| 2022 | 35 | 51 |
| 2023 | 40 | 59 |
| 2024 | 44 | 81 |
| 2025 | 29 | 58 |
| 2026 | 18 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cleaning apparatus6 Oct 2026US 12,751,596 B2Suzhou Eup Electric Co. Ltd.
- Recovery tank22 Sep 2026US 12,740,683 B2SharkNinja Operating LLC
- Floor cleaning machine8 Sep 2026US 12,727,730 B2Hako GmbH
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Hand-guided floor cleaning machine with a suction foot mount25 Aug 2026US 12,714,279 B2Hako GmbH
- Residual-water-stain recovery method and apparatus, robot, and storage medium8 Oct 2026US 2026/0305897 A1Shenzhen Pudu Technology Co., Ltd.
- Autonomous Vacuum Sweeping System Having a Brush Roller with Buffer Zone1 Oct 2026US 2026/0294091 A1Matic Robots, Inc.
- Cleaning device with an adjustable squeegee assembly24 Sep 2026US 2026/0283432 A1Wensch Holding B.V.
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Cleaning device10 Sep 2026US 2026/0262894 A1Wensch Holding B.V.
Most cited
By later US patents
- Mobile work robot system511US 5,959,423 AMinolta Co., Ltd. · 1999
- Automatic controlled cleaning machine361US 5,279,672 AWindsor Industries, Inc. · 1994
- 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
- Robotic extraction cleaner with dusting pad225US 7,320,149 B1BISSELL Homecare, Inc. · 2008