A47L 11/19
Parts or details of the brushing tools
A47L11/19 (Parts or details of the brushing tools) appears on 46 US grants and 59 published applications in this corpus.
Search patents in A47L- Granted patents
- 46
- Published applications
- 59
- Assignees
- 31
- Inventors
- 108
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 4 | 5 |
| 2019 | 3 | 2 |
| 2020 | 2 | 9 |
| 2021 | 7 | 9 |
| 2022 | 5 | 3 |
| 2023 | 5 | 9 |
| 2024 | 2 | 3 |
| 2025 | 6 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Lifting device for cleaning assembly and cleaning apparatus13 May 2025US 12,295,532 B2Yunjing Intelligence Innovation (Shenzhen) Co., Ltd.
- Cleaning apparatus25 Mar 2025US 12,256,885 B2Tineco Intelligent Technology Co., Ltd.
- Cleaning device, floor brush assembly and installation assembly of rolling brush28 Jan 2025US 12,207,774 B1Dreame Innovation Technology (Suzhou) Co., Ltd.
- Electric cleaning brush3 Jul 2025US 2025/0213086 A1
- Surface cleaning apparatus20 Mar 2025US 2025/0089970 A1BISSELL Inc.
- Floor treatment apparatus12 Dec 2024US 2024/0407620 A1Kärcher North America, Inc.
- Lifting device for cleaning assembly and cleaning apparatus18 Jul 2024US 2024/0237869 A1Yunjing Intelligence Innovation (Shenzhen) Co., Ltd.
- Cleaner head for a vacuum cleaner8 Feb 2024US 2024/0041283 A1Dyson Technology Limited
Most cited
By later US patents
- Absorbent pad and holder assembly for carpet cleaning19US 4,351,081 A1982
- Carpet scrubber with improved brush18US 4,267,617 AMilliken Research Corporation · 1981
- Powder driven surface finishing apparatus16US 7,022,003 B12006
- Surface cleaning apparatus15US 11,013,389 B2BISSELL Inc. · 2021
- Surface cleaning apparatus12US 11,071,428 B2BISSELL Inc. · 2021