A47L 13/146
Having pivoting squeezing plates
Official title: having pivoting squeezing plates
A47L13/146 (Having pivoting squeezing plates) appears on 90 US grants and 58 published applications in this corpus.
Search patents in A47L- Granted patents
- 90
- Published applications
- 58
- Assignees
- 41
- Inventors
- 131
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 6 |
| 2003 | 0 | 1 |
| 2004 | 4 | 5 |
| 2005 | 3 | 3 |
| 2006 | 2 | 2 |
| 2007 | 4 | 6 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 0 | 6 |
| 2011 | 2 | 2 |
| 2012 | 3 | 4 |
| 2013 | 4 | 2 |
| 2014 | 3 | 3 |
| 2015 | 5 | 6 |
| 2016 | 2 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Mop head and self-wringing mop apparatus and assembly and method of wringing a mop8 Jul 2025US 12,349,847 B2Micronova Manufacturing, Inc.
- Cleaning system19 Mar 2024US 11,930,977 B2The Libman Company
- Self-wringing foam cotton mop with labor-saving wringing operation27 Jul 2021US 11,071,433 B2Ningbo Blue Fish Home Technology Co., Ltd.
- Mop head and self-wringing mop apparatus and assembly and method of wringing a mop13 Jul 2021US 11,058,277 B2Micronova Manufacturing, Inc.
- Automatic self-wringing microfiber cleaning sponge on an extendable handle18 Aug 2020US 10,743,737 B1
- Cleaning system3 Nov 2022US 2022/0346621 A1The Libman Company
- Mop head and self-wringing mop apparatus and assembly and method of wringing a mop5 May 2022US 2022/0133117 A1Micronova Manufacturing, Inc.
- Self-wringing foam cotton mop with labor-saving wringing operation25 Jun 2020US 2020/0196824 A1Ningbo Blue Fish Home Technology Co., Ltd.
- Mop head and self-wringing mop apparatus and assembly and method of wringing a mop13 Dec 2018US 2018/0353045 A1Micronova Manufacturing, Inc.
- Mop with stand26 Jan 2017US 2017/0020358 A1Helen of Troy Limited
Most cited
By later US patents
- Multiple head wringer mop with telescoping handle46US 5,625,918 ANew Knight Inc. · 1997
- Sponge mop attachment35US 5,488,750 AQuickie Manufacturing Corporation · 1996
- Floor mop with scrub strip34US 5,896,613 AO-Cedar Brands, Inc. · 1999
- Sponge mop assembly32US 6,341,401 B12002
- Cleaning device30US 8,894,315 B2Carl Freudenberg KG · 2014