A47L 11/18
The tools being roll brushes
Official title: the tools being roll brushes
A47L11/18 (The tools being roll brushes) appears on 137 US grants and 171 published applications in this corpus.
Search patents in A47L- Granted patents
- 137
- Published applications
- 171
- Assignees
- 68
- Inventors
- 314
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 4 | 3 |
| 2013 | 2 | 5 |
| 2014 | 0 | 5 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 4 | 4 |
| 2018 | 6 | 14 |
| 2019 | 4 | 5 |
| 2020 | 9 | 16 |
| 2021 | 24 | 34 |
| 2022 | 7 | 7 |
| 2023 | 14 | 20 |
| 2024 | 11 | 19 |
| 2025 | 12 | 12 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface cleaning system, surface cleaning device and control method thereof22 Sep 2026US 12,740,638 B2Tineco Intelligent Technology Co., Ltd.
- Cleaner25 Aug 2026US 12,714,277 B2LG Electronics Inc.
- Surface cleaning apparatus25 Aug 2026US 12,714,281 B2BISSELL Inc.
- 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.)
- Improvements relating to floor cleaners23 Apr 2026US 2026/0108123 A1Dyson Technology Limited
- Mapping an environment around an autonomous vacuum5 Feb 2026US 2026/0033688 A1Matic Robots, Inc.
- Lifting apparatus for cleaning assembly, cleaning assembly, and cleaner8 Jan 2026US 2026/0007289 A1Versuni Holding B.V.
- Application of cleaning solution on a surface maintenance machine25 Dec 2025US 2025/0386996 A1Tennant Company
Most cited
By later US patents
- Surface treating device75US 4,875,246 AQuad Research Inc. · 1989
- Surface cleaning apparatus65US 10,092,155 B2BISSELL Homecare, Inc. · 2018
- Bowling lane cleaning machine and method63US 6,615,434 B1Kegel, LLC · 2003
- Bowling lane conditioning machine55US 7,784,147 B2Brunswick Bowling & Billiards Corporation · 2010
- Apparatus and method for conditioning a bowling lane using precision delivery injectors52US 7,611,583 B2Brunswick Bowling & Billiards Corporation · 2009