A47L 13/142
Having torsional squeezing or wringing action
Official title: having torsional squeezing or wringing action
A47L13/142 (Having torsional squeezing or wringing action) appears on 64 US grants and 58 published applications in this corpus.
Search patents in A47L- Granted patents
- 64
- Published applications
- 58
- Assignees
- 30
- Inventors
- 86
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 5 |
| 2003 | 4 | 5 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 1 | 6 |
| 2008 | 0 | 3 |
| 2009 | 1 | 4 |
| 2010 | 1 | 2 |
| 2011 | 4 | 5 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 4 | 3 |
| 2015 | 4 | 3 |
| 2016 | 2 | 4 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cleaning implement3 Oct 2023US 11,771,295 B2The Libman Company
- Cleaning tool with a spin-drying bucket4 Apr 2023US 11,617,489 B2Ningbo Deruntang Intelligent Technology Co., Ltd.
- Cleaning implement23 Aug 2022US 11,419,472 B2The Libman Company
- Twist mop with biased cup5 Jan 2021US 10,881,265 B2Carl Freudenberg KG
- Rotary dewatering mop device6 Oct 2020US 10,791,904 B2
- Cleaning device for wringing assist19 Oct 2023US 2023/0329508 A1
- Cleaning Implement20 Oct 2022US 2022/0330782 A1The Libman Company
- Cleaning Implement16 Sep 2021US 2021/0282618 A1The Libman Company
- Cleaning Tool with a Spin-Drying Bucket18 Mar 2021US 2021/0076895 A1Ningbo Deruntang Intelligent Technology Co., Ltd.
- Rotary Dewatering Mop Device5 Mar 2020US 2020/0069142 A1
Most cited
By later US patents
- Quick squeezing wringable mop52US 5,509,163 AWorldwide Integrated Resources, Inc. · 1996
- Cleaning implement38US 8,011,055 B2Carl Freudenberg KG · 2011
- Cleaning device30US 8,894,315 B2Carl Freudenberg KG · 2014
- Self-wringing ratchet mop27US 6,212,728 B1Multi-Reach, Inc. · 2001
- Wringer mop26US 6,115,869 A2000