A47L 4/04
Accessories facilitating cleaning
Official title: Accessories facilitating cleaning, e.g. venetian blind separators, spreaders, or cleaning racks
A47L4/04 (Accessories facilitating cleaning) appears on 14 US grants and 5 published applications in this corpus.
Search patents in A47L- Granted patents
- 14
- Published applications
- 5
- Assignees
- 3
- Inventors
- 22
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- End stripper for flexible screen frame material2 Dec 2025US 12,485,453 B2Erdman Automation Corporation
- Mini-blind cleaner24 Apr 2018US 9,949,600 B1
- Mini blind cleaning support system13 Jun 2006US 7,059,010 B2
- Mini-blind holder and clothes hanger combination4 May 2004US 6,729,509 B1
- Wash stand for venetian blinds16 Apr 2002US 6,370,727 B1
- Window Blind Cleaner Stand1 Oct 2026US 2026/0294183 A1
- End stripper for flexible screen frame material9 Oct 2025US 2025/0312827 A1Erdman Automation Corporation
- Folding Support Stand Assembly29 Nov 2018US 2018/0338653 A1
- Apparatus for cleaning vertical blinds16 May 2013US 2013/0118539 A1
- Mini blind cleaning support system11 Jul 2002US 2002/0088076 A1
Most cited
By later US patents
- Mini-blind cleaning rack apparatus37US 4,934,015 A1990
- Hinged rigid or semirigid product16US 5,059,476 AThe B. F. Goodrich Company · 1991
- Venetian blind cleaning system5US 5,032,187 A1991
- Blind cleaning rack apparatus4US 5,056,184 A1991
- Method and apparatus for hanging window coverings for cleaning purposes4US 6,112,914 A2000