A47L 11/33
Having means for storing dirt
Official title: having means for storing dirt
A47L11/33 (Having means for storing dirt) appears on 188 US grants and 177 published applications in this corpus.
Search patents in A47L- Granted patents
- 188
- Published applications
- 177
- Assignees
- 70
- Inventors
- 308
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 11 |
| 2005 | 3 | 13 |
| 2006 | 8 | 10 |
| 2007 | 1 | 6 |
| 2008 | 4 | 5 |
| 2009 | 4 | 6 |
| 2010 | 5 | 13 |
| 2011 | 7 | 9 |
| 2012 | 5 | 8 |
| 2013 | 13 | 11 |
| 2014 | 4 | 12 |
| 2015 | 7 | 5 |
| 2016 | 11 | 5 |
| 2017 | 5 | 14 |
| 2018 | 7 | 8 |
| 2019 | 14 | 7 |
| 2020 | 9 | 5 |
| 2021 | 5 | 9 |
| 2022 | 5 | 3 |
| 2023 | 6 | 3 |
| 2024 | 2 | 5 |
| 2025 | 1 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Manual cleaning tool1 Apr 2025US 12,262,856 B2Nippon Seal Co., Ltd.
- Floor cleaning apparatus with cleaning fluid delivery system21 May 2024US 11,986,136 B2BISSELL Inc.
- Cleaning apparatus with larger debris pick up19 Mar 2024US 11,930,972 B2
- Autonomous cleaner19 Dec 2023US 11,846,937 B2LG Electronics Inc.
- Cleaning device21 Nov 2023US 11,819,173 B2Shenzhen Silver Star Intelligent Group Co., Ltd.
- Electric mop head2 Oct 2025US 2025/0302262 A1Ningbo Brightech International Trading CO., LTD
- Surface cleaning apparatus28 Aug 2025US 2025/0268445 A1Omachron Intellectual Property Inc.
- Floor Cleaning and Drying System21 Aug 2025US 2025/0261815 A1
- Cleaning device30 Jan 2025US 2025/0031935 A1Hayco Manufacturing Limited
- Cleaning apparatus5 Dec 2024US 2024/0398192 A1Tineco Intelligent Technology Co., Ltd.
Most cited
By later US patents
- Floor cleaner with dusting170US 7,013,528 B2BISSELL Homecare, Inc. · 2006
- Cleaning members for cleaning areas near walls used in floor cleaner160US 5,794,297 AHoky Contico, L.L.C. · 1998
- Cleaning robot roller processing156US 8,087,117 B2iRobot Corporation · 2012
- Surface treating device with top load cartridge-based cleaning system153US 7,578,020 B2S. C. Johnson & Son, Inc. · 2009
- Hand sweeper for carpets130US 4,099,284 ATanita Corporation · 1978