A47L 11/16
The tools being disc brushes
Official title: the tools being disc brushes
A47L11/16 (The tools being disc brushes) appears on 376 US grants and 217 published applications in this corpus.
Search patents in A47L- Granted patents
- 376
- Published applications
- 217
- Assignees
- 169
- Inventors
- 543
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 7 | 0 |
| 1980 | 11 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 3 |
| 2002 | 6 | 7 |
| 2003 | 5 | 7 |
| 2004 | 4 | 5 |
| 2005 | 4 | 9 |
| 2006 | 4 | 6 |
| 2007 | 5 | 3 |
| 2008 | 1 | 7 |
| 2009 | 3 | 7 |
| 2010 | 1 | 8 |
| 2011 | 3 | 2 |
| 2012 | 9 | 9 |
| 2013 | 9 | 10 |
| 2014 | 7 | 6 |
| 2015 | 6 | 8 |
| 2016 | 5 | 9 |
| 2017 | 6 | 8 |
| 2018 | 10 | 11 |
| 2019 | 6 | 27 |
| 2020 | 13 | 11 |
| 2021 | 19 | 11 |
| 2022 | 7 | 11 |
| 2023 | 10 | 12 |
| 2024 | 11 | 10 |
| 2025 | 5 | 5 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Buffer stain applicator apparatus6 Oct 2026US 12,751,593 B1
- Cleaner25 Aug 2026US 12,714,277 B2LG Electronics Inc.
- Hand-guided floor cleaning machine with a suction foot mount25 Aug 2026US 12,714,279 B2Hako GmbH
- User-guided self-propelled cleaning device14 Jul 2026US 12,678,004 B2Wensch Holding B.V.
- Adjustable and lockable joint for floor cleaning machines19 May 2026US 12,631,209 B2Lindhaus S.R.L.
- Disc brush alignment30 Jul 2026US 2026/0215641 A1Nilfisk A/S
- Cleaning Assembly and Cleaning Device Including the Assembly18 Jun 2026US 2026/0165459 A1
- Buffing Pad21 May 2026US 2026/0138235 A1Buff and Shine Manufacturing, Inc.
- Scrubber5 Mar 2026US 2026/0060498 A1Makita Corporation
- Steam cleaning apparatus8 Jan 2026US 2026/0007294 A1
Most cited
By later US patents
- Running and working robot not susceptible to damage at a coupling unit between running unit and working unit218US 5,991,951 AMinolta Co., Ltd. · 1999
- Household appliance having plural coaxially rotatable or parallel linearly movable heads or tools177US 6,032,313 A2000
- Compact autonomous coverage robot163US 8,239,992 B2iRobot Corporation · 2012
- Powered floor scrubber and buffer142US 6,023,813 ASpectrum Industrial Products, Inc. · 2000
- Autonomous coverage robot sensing120US 8,438,695 B2iRobot Corporation · 2013