A47L 13/04
With steel wool
Official title: with steel wool
A47L13/04 (With steel wool) appears on 12 US grants and 14 published applications in this corpus.
Search patents in A47L- Granted patents
- 12
- Published applications
- 14
- Assignees
- 7
- Inventors
- 26
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel wool caddy apparatus, and a method of making, and using same5 May 2026US 12,616,351 B1
- Cleaning apparatus and method of use20 Jul 2021US 11,064,859 B1
- Scraper sponge2 Mar 2021US 10,932,643 B2
- Elevator track cleaner22 Sep 2020US 10,781,078 B2
- Cleaning pad for a robot cleaner8 Jan 2019US 10,172,505 B2Kang Na Hsiung Enterprise Co., Ltd.
Most cited
By later US patents
- Cleaning pad for a robot cleaner6US 10,172,505 B2Kang Na Hsiung Enterprise Co., Ltd. · 2019
- Steel wool pads and holder therefor5US 3,947,915 A1976
- Scouring pad and method for producing same5US 4,546,515 AMobil Oil Corporation · 1985
- Holder for scouring device5US 6,761,386 B2Church & Dwight Co., Inc. · 2004
- Protective handle for a scrubbing device5US 9,526,392 B22016