A47L 1/08
With provision for supplying liquids
Official title: with provision for supplying liquids, e.g. cleaning agents (A47L1/095, A47L1/13, A47L1/15 take precedence)
A47L1/08 (With provision for supplying liquids) appears on 108 US grants and 82 published applications in this corpus.
Search patents in A47L- Granted patents
- 108
- Published applications
- 82
- Assignees
- 44
- Inventors
- 221
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 1 |
| 2002 | 0 | 5 |
| 2003 | 2 | 4 |
| 2004 | 4 | 5 |
| 2005 | 1 | 2 |
| 2006 | 2 | 7 |
| 2007 | 1 | 4 |
| 2008 | 2 | 3 |
| 2009 | 1 | 7 |
| 2010 | 2 | 5 |
| 2011 | 1 | 5 |
| 2012 | 3 | 8 |
| 2013 | 4 | 2 |
| 2014 | 0 | 2 |
| 2015 | 4 | 1 |
| 2016 | 2 | 5 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 5 | 3 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wiper blade assembly and window wiper28 Jan 2025US 12,207,772 B2
- Cleaning implement13 Aug 2024US 12,059,112 B2
- Handheld window cleaning machine having wastewater separation structure29 Mar 2022US 11,284,757 B2Kingolean Electric Green Technology (Suzhou) Co., Ltd.
- Water-fed pole for window cleaning21 Jul 2020US 10,716,438 B2Ex-Ceed Innovation Ltd
- Window cleaning kit24 Mar 2020US 10,595,689 B1
- Handheld cleaning tool11 Jul 2024US 2024/0225382 A1Unger Marketing International, LLC
- Cleaning tool accessory attachment for cleaning tools1 Feb 2024US 2024/0032742 A1Unger Marketing International, LLC
- Cleaning implement18 Jan 2024US 2024/0016361 A1
- Wiper blade assembly and window wiper22 Sep 2022US 2022/0296054 A1
- Extendable cleaning tool16 Jun 2022US 2022/0184795 A1Unger Marketing International, LLC
Most cited
By later US patents
- Handheld extraction cleaner160US 6,125,498 ABISSELL Homecare, Inc. · 2000
- Method for cleaning surface of external wall of building128US 5,505,787 ATotal Service Co., Inc. · 1996
- Versatile mop67US 6,960,042 B12005
- Cleaning device with pivotable head64US 4,776,716 ASunshine Industries, Inc. · 1988
- Apparatus for cleaning by spreading cleaning liquid and by suction of the used liquid59US 5,590,439 AFamulus · 1997