A47L 11/164
Parts or details of the brushing tools
A47L11/164 (Parts or details of the brushing tools) appears on 154 US grants and 56 published applications in this corpus.
Search patents in A47L- Granted patents
- 154
- Published applications
- 56
- Assignees
- 74
- Inventors
- 186
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 1 |
| 2002 | 4 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 6 |
| 2006 | 1 | 3 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 4 |
| 2018 | 4 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 5 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 4 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- User-guided self-propelled cleaning device14 Jul 2026US 12,678,004 B2Wensch Holding B.V.
- Rotary floor buffing pad with agitator insert14 Apr 2026US 12,599,278 B1The Tuway American Group, Inc.
- Robotic cleaning devices, associated systems, and methods of using the same3 Dec 2024US 12,156,619 B2
- Towel quick connector pad25 Jul 2023US 11,707,812 B2
- Floor grinding apparatus having dust sealing rings23 Nov 2021US 11,179,825 B2WOLFF GmbH & Co. KG
- Robotic cleaning devices, associated systems, and methods of using the same7 Nov 2024US 2024/0366052 A1
- Polishing brush system29 Aug 2024US 2024/0286239 A1The Malish Corporation
- Cleaning robot and motion control method thereof11 Jul 2024US 2024/0225399 A1
- Towel Quick Connector Cleaning Wand22 Feb 2024US 2024/0058924 A1
- User-guided self-propelled cleaning device7 Dec 2023US 2023/0389763 A1Wensch Holding B.V.
Most cited
By later US patents
- Surface treating pad having a renewable surface56US 4,437,271 AMinnesota Mining and Manufacturing Company · 1984
- Combination of cleaning pads, cleaning pad mounting members and a base member for a rotary cleaning machine55US 5,054,245 AThe Butcher Company · 1991
- Quick connect/disconnect for a surface cleaning machine47US 4,866,804 ATennant Trend Inc. · 1989
- Disc-holder assembly47US 5,201,785 AMinnesota Mining and Manufacturing Company · 1993
- Multiple abrasive assembly and method47US 6,234,886 B13M Innovative Properties Company · 2001