A47L 11/202
Having separate drive for the cleaning brushes
Official title: having separate drive for the cleaning brushes
A47L11/202 (Having separate drive for the cleaning brushes) appears on 96 US grants and 127 published applications in this corpus.
Search patents in A47L- Granted patents
- 96
- Published applications
- 127
- Assignees
- 43
- Inventors
- 198
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 5 |
| 2016 | 2 | 3 |
| 2017 | 4 | 6 |
| 2018 | 2 | 3 |
| 2019 | 5 | 20 |
| 2020 | 11 | 6 |
| 2021 | 11 | 18 |
| 2022 | 9 | 7 |
| 2023 | 13 | 14 |
| 2024 | 14 | 14 |
| 2025 | 6 | 12 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Cleaner25 Aug 2026US 12,714,277 B2LG Electronics Inc.
- Floor treatment machine18 Aug 2026US 12,708,243 B2Numatic International Limited
- Self-actuated cleaning head for an autonomous vacuum21 Jul 2026US 12,685,418 B2Matic Robots, Inc.
- Waste bag with absorbent dispersion sachet2 Jun 2026US 12,642,407 B2Matic Robots, Inc.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Surface cleaning apparatus25 Jun 2026US 2026/0174304 A1Omachron Intellectual Property Inc.
- Surface cleaning apparatus25 Jun 2026US 2026/0174305 A1Omachron Intellectual Property Inc.
- Floor treatment machine18 Jun 2026US 2026/0165549 A1Numatic Interanational Limited
Most cited
By later US patents
- Surface cleaning apparatus36US 10,687,679 B2Omachron Intellectual Property Inc. · 2020
- Device for scrubbing surfaces32US 4,097,950 AMilliken Research Corporation · 1978
- Riding sweeper31US 4,219,901 AThe Scott Fetzer Company · 1980
- Surface cleaning apparatus with steam24US 11,730,335 B1BISSELL Inc. · 2023
- Nozzle for cleaner21US 11,058,278 B2LG Electronics Inc. · 2021