A47L 11/292
Having rotary tools
Official title: having rotary tools (A47L11/30 takes precedence)
A47L11/292 (Having rotary tools) appears on 171 US grants and 239 published applications in this corpus.
Search patents in A47L- Granted patents
- 171
- Published applications
- 239
- Assignees
- 94
- Inventors
- 438
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 5 |
| 2009 | 2 | 3 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 4 | 8 |
| 2013 | 10 | 6 |
| 2014 | 4 | 8 |
| 2015 | 5 | 9 |
| 2016 | 6 | 6 |
| 2017 | 5 | 6 |
| 2018 | 4 | 10 |
| 2019 | 4 | 32 |
| 2020 | 8 | 12 |
| 2021 | 26 | 30 |
| 2022 | 14 | 18 |
| 2023 | 18 | 17 |
| 2024 | 14 | 19 |
| 2025 | 6 | 16 |
| 2026 | 4 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Floor cleaning system2 Jun 2026US 12,642,410 B2Alfred Kärcher GmbH & Co. KG
- Autonomous floor cleaner with scrubbing belt12 May 2026US 12,622,562 B2BISSELL Inc.
- Base, laundry treatment device and cleaning system28 Apr 2026US 12,611,081 B2Wuxi Little Swan Electric Co., Ltd.
- Docking station for an autonomous floor cleaner6 Jan 2026US 12,514,423 B2BISSELL Inc.
- Floor cleaning machine with hair pickup and method for operating a floor cleaning machine30 Dec 2025US 12,507,853 B2Alfred Kärcher GmbH & Co. KG
- Roller device and cleaning apparatus11 Jun 2026US 2026/0157592 A1Midea Robozone Technology Co., Ltd.
- Cleaning and disinfecting mop roll refill21 May 2026US 2026/0137252 A1Carl Freudenberg KG
- Cleaner head for an appliance21 May 2026US 2026/0137253 A1Dyson Operations PTE. LTD.
- Washing control method and apparatus, computer readable storage medium, and electronic device21 May 2026US 2026/0137254 A1Beijing Roborock Technology Co., Ltd.
- Floor brush, cleaning device, and cleaning system14 May 2026US 2026/0130556 A1Beijing Roborock Technology Co., Ltd.
Most cited
By later US patents
- Autonomous mobile surface treating apparatus289US 6,481,515 B1The Procter & Gamble Company · 2002
- Compact autonomous coverage robot163US 8,239,992 B2iRobot Corporation · 2012
- Floor cleaning apparatus with slidable flap162US 5,611,108 AWindsor Industries, Inc. · 1997
- Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium150US 6,735,812 B2Tennant Company · 2004
- Powered floor scrubber and buffer142US 6,023,813 ASpectrum Industrial Products, Inc. · 2000